Gratis dev-verktyg

Läs mer om gratis-nivån och vad tjänsten erbjuder.

Läs mer om gratis-nivån och vad tjänsten erbjuder.

Läs mer om gratis-nivån och vad tjänsten erbjuder.

Läs mer om gratis-nivån och vad tjänsten erbjuder.

Läs mer om gratis-nivån och vad tjänsten erbjuder.

Läs mer om gratis-nivån och vad tjänsten erbjuder.

Started as an e-mail provider but now provides a suite of services, some of which have free plans. List of services having free plans :

Collaborative solution to visually build and manage cloud infrastructures from end-to-end.

Free for personal projects (includes one deployment server, one static site), Cloud 66 gives you everything you need to build, deploy, and g…

Deployment.io helps developers automate deployments on AWS. On our free tier, a developer (single user) can deploy unlimited static sites, w…

Modern infrastructure as a code platform that allows you to use familiar programming languages and tools to build, deploy, and manage cloud…

Scalr is a Terraform Automation and COllaboration (TACO) product used to better collaboration and automation on infrastructure and configura…

Unlimited public and private Git repos for up to 5 users with Pipelines for CI/CD

Unlimited public and private Git repos for free and open-source projects (with unlimited collaborators). Powered by Forgejo. Static website…

Framagit is the software forge of Framasoft based on the Gitlab software includes CI, Static Pages, Project pages and Issue tracking.

Unlimited private and public repositories. Free forever. Powered by GitLab & Sapphire. Includes CI/CD, Static Hosting, Container Registry, P…

Unlimited public repositories and unlimited private repositories (with unlimited collaborators). Includes CI/CD, Development Environment, St…

Unlimited public and private Git repos with up to 5 collaborators. Includes CI/CD, Static Hosting, Container Registry, Project Management an…

Heptapod is a friendly fork of GitLab Community Edition providing support for Mercurial

Unlimited free and open source distributed version control system. Its distinctive feature is based on a sound theory of patches, which make…

One free private project (Git and Subversion) with 50 MB of space

Repository Hosting based on Git. Unlimited Public and private repositories.

Serves as a collaborative software development management system for free Software projects (for GNU Projects)

Serves as a collaborative software development management system for free Software projects (for non-GNU projects)

API suite for various use cases, including IP geolocation, phone number validation, or email validation.

Financial news API and MCP server. Every article gets per-ticker impact analysis, a category, and a 1-10 relevance score, and SEC Form 4 ins…

Web scraping and automation platform to create an API for any website and extract data. Ready-made scrapers, integrated proxies, and custom…

Auto-generate images and PDF documents with a simple API or automation tools like Zapier & Airtable. No CSS/HTML is required. The free plan…

Get instant access to over 120+ APIs for free, built with quality, consistency, and reliability in mind. The free plan covers up to 50 API T…

Machine learning observability for model monitoring and root-causing issues such as data quality and performance drift. Free up to two model…

No-code, cloud-based platform for mocking and debugging multi-protocol APIs (REST, SOAP, gRPC & GraphQL), providing instant servers with rul…

Provides fast, accurate, and free (Unlimited or up to 10K-50K/month) APIs for modern web like IP Geolocation, Reverse Geocoding, Networking…

Independent web, news, image, video search and AI/LLM context API, suitable for RAG pipelines and AI agents. Free tier includes $5 in monthl…

Extracting and monitoring data on the web. 1k credits per month for free, equals 1k concurrent requests.

Enterprise-grade Public holiday API service for over 200 countries. The free plan includes 500 calls per month.

GraphQL API for Amazon.com product, search, and category data. The free plan includes 100 calls per month.

Comprehensive automotive data API with VIN decoding, stolen vehicle checks, vehicle valuation, inspection data, and more. Free tier includes…

Aggregator of expired and dropping domain listings from 16 marketplaces, with SEO enrichment (backlinks, Trust Flow, Wayback history) and a…

Utility API platform with full access to expansive API Library including Document Conversion, Virus Scanning, and more with 600 calls/month,…

Free web-based Python notebook environment with Nvidia Tesla K80 GPU.

The MLOps platform for experiment tracking, model production management, model registry, and complete data lineage, covering your workflow f…

Composable commerce API that can build, place, and manage orders from any front end. The developer plan allows 100 orders per month and up t…

Integration platform for AI Agents and LLMs. Integrate over 200+ tools across the agentic internet.

Online File Converter for documents, images, video, audio, and eBooks. REST API is available. Libraries for Node.js, PHP, Python. Support fi…

API and Microservice to provides a wide range of information including countries, regions, provinces, cities, postal codes, and much more. T…

Data integration tool that syncs between apps. It can create live dashboards and reports, transform and manipulate values, and collect and b…

Auto-Generate PDF documents from reusable templates with a drop-and-drop editor and a simple API. The free plan comes with 100 PDFs/month an…

Cube helps data engineers and application developers access data from modern data stores, organize it into consistent definitions, and deliv…

Proxy service for inspecting and debugging API calls. The free plan includes 10,000 requests per month.

Realtime currency data API for fintech apps. The free plan includes 5,000 calls per month.

HTML to PDF or PDF to PNG/Text & PDF merging/extraction/merging APIs. Free tier has 600 calls a month.

Connect Airtable to any application or API with no code. Postman-like interface for running API requests in Airtable. Pre-built integrations…

A browser extension (Google Chrome, MS Edge) for data extraction from web pages CSV or Excel. The free plan gives you 500 pages/month.

Tool for connecting, cleaning, and importing data into Salesforce. Free Plan includes up to 20,000 records per month.

Python notebooks by Jetbrains. Includes 10 GB of storage and 120 hours of runtime each month.

Cloud-based Database schema design and modeling tool with a free starter plan of 2 Database models and ten tables per model.

Free IP geolocation API with 1k request per IP per day.lite database under the CC-BY 4.0 License is free too.

Augmented reality face filters for any platform with one SDK. The free plan provides up to 10 monthly active users (MAU) and tracks up to 4…

A new data science notebook. Jupyter is compatible with real-time collaboration and running in the cloud. The free tier includes unlimited p…

An online tool for comparing differences between two JSON data structures, helping you quickly locate the differences in JSON data.

A free API providing accurate data for building the Covid-19 related useful Apps.

SaaS API empowering the generation of screenshots or PDFs directly from HTML/CSS/JS code. The free plan allows 250 documents month.

Managed API to generate and privately store PDFs and Screenshots using top rendering technology. The free plan allows 400 PDFs and Screensho…

HTML to PDF document generation with templates, webhook delivery, and credit-based pricing. Free plan with 50 monthly credits, no credit car…

Bulk fill and mail merge PDF forms from CSV using the web app or Public API. The free plan includes 100 output PDFs/month.

Free and open-source online database diagram editor with no signup required.

Generate PDF documents with JSON to PDF API based on LaTeX templates. The free plan allows 50 API calls per month and access to a library of…

Real-time SEC filings, insider trades, and institutional holdings API. Free tier includes 15 requests per minute.

PDF generator API with drag-and-drop template editor that provides an SDK and no-code integrations. The free plan has 250 monthly pages, unl…

Free web-based HTTP client to send HTTP requests.

Stock market and financial data API. Free plan allows 300 requests per day.

API that crawls websites and converts them into clean, LLM-ready markdown or structured data, handling JavaScript rendering, proxies, and ra…

A free, browser-based tool to format, validate,compare and minify JSON data instantly.

Screen an order transaction for credit card payment fraud. This REST API will detect all possible fraud traits based on the input parameters…

Free, Fast and Reliable IP Geolocation API for commercial and non-commercial users available in JSON

IP Geolocation API with multi-continent servers, offering a free plan with 2,000 requests per day.

a collaborative data platform for notebooks, data apps, and knowledge libraries. Free community tier with up to five projects.

Hook0 is an open-source Webhooks-as-a-service (WaaS) that makes it easy for online products to provide webhooks. Dispatch up to 100 events/d…

A free, fast, and beautiful API request builder.

A multi-country HS (Harmonized System) and HTS (Harmonized Tariff System) code lookup API, with a free plan offering 100 lookups/day.

Build, train, and deploy NLP models for Pytorch, TensorFlow, and JAX. Free up to 30k input characters/mo.

Open-source API client for designing and testing APIs, it supports REST and GraphQL

Durable execution and event-driven workflows for TypeScript, Python, and Go. Hobby plan is free with 50k executions/month, 5 concurrent step…

Access over 70 (cloud)platforms such as Exact Online, Twinfield, ActiveCampaign or Visma using Invantive SQL or OData4 (typically Power BI o…

2,000 free requests per day. Fast, enterprise grade API at non-enterprise prices. Trusted by developers, corporate, government and education…

IP Geolocation API from Abstract - Allows 1,000 free requests.

IP Geolocation API - Forever free plan for developers with a 1,000 requests per day limit.

IP Geolocation API, Free for non-commercial use, no API key required, limited to 45 req/minute from the same IP address for the free plan.

100 Free IP geolocation requests per day

Freemium, fast, and reliable IP geolocation API. Get data like city, coordinates, ISP, ASN, AS data and more. The free plan includes 50k cre…

IP geolocation API to convert IP addresses into location data including city, country, timezone, ASN, and currency. The free plan includes 1…

Simple service to get a public IP address in different formats.

A reliable IP Address API from Developers for Developers with the best Hosting Detection capabilities that exist. The free plan offers 1000…

IP Address Location API by Kloudend, Inc - A reliable geolocation API built on AWS, trusted by Fortune 500. The free tier offers 30k lookups…

IP Geolocation API - Forever free plan that spans 150 monthly requests.

Fast, accurate, and free (up to 50k/month) IP address data API. Offers APIs with details on geolocation, companies, carriers, IP ranges, dom…

IP Geolocation API, free up to 1,000 requests/day. Includes proxy/VPN/hosting detection, ASN data, IP to Company, and more. IPLocate also of…

An embarrassingly simple API that provides your business with reliable and helpful IP geolocation data with 50,000 free lookups per month.

Returns the Public IP address of the client it is requested from. No registration is required for the free tier. Using CORS, data can be req…

Convert JSON into an interactive table for quick viewing, editing, and sharing online.

A video editing API to automate video marketing and social media videos, programmatically or with no code.

Free tool to Visualize, Edit, Filter complex JSON data into beautiful tabular Grid. Save and Share JSON data over link link.

Create a fake REST API from a JSON object, and customize HTTP status codes, headers, and response bodies.

JSONSwiss is a powerful online JSON viewer, editor, and validator. Format, visualize, search, and manipulate JSON data with AI-powered repai…

KillBait API allows users to submit URLs for content evaluation, detecting potential clickbait and categorizing articles. The API is designe…

Free gRPC GUI client to call and test gRPC APIs. Can import gRPC APIs via server reflection.

A login security API to detect fraudulent and suspicious logins and notify your customers. Free for 1,000 logins per month.

Provides real-time and historical financial data for stocks, options, mutual funds, and more. The Free Forever API tier allows for 100 daily…

Simulate, evaluate, and observe your AI agents. Maxim is an end-to-end evaluation and observability platform, helping teams ship their AI ag…

It turns any website into data such as metatags normalization, beauty link previews, scraping capabilities, or screenshots as a service. 50…

Modern standard for API documentation. Beautiful and easy-to-maintain UI components, in-app search, and interactive playground. Free for 1 e…

MockAPI is a simple tool that lets you quickly mock up APIs, generate custom data, and perform operations using a RESTful interface. MockAPI…

Free mock REST API service providing realistic data across 9 domains (e-commerce, finance, healthcare, education, recruitment, social media,…

Mockfly is a trusted development tool for API mocking and feature flag management. Quickly generate and control mock APIs with an intuitive…

Proxy your API, choose which endpoints to mock in the cloud and inspect traffic, for free. Speed up your development and integration tests.

A free and simple tool to check your exit IP address across multiple nodes and understand how your IP appears to different global regions an…

Search news on the web with code, and get JSON results. Developers get 100 queries free each day. Articles have a 24 hour delay.

Free phone number validation API - 100 free requests / month.

An OCR API parses image and pdf files that return the text results in JSON format. 25,000 requests per month are free and a 1MB file size li…

Visually create Open API 3 definitions for free.

20 free pages/month: Extract data from PDFs, emails. AI powered. Full API access.

PDF Automation API, visual template editor or HTML to PDF, dynamic data integration, and PDF rendering with an API. The free plan comes with…

Developer-focused PDF generation API designed with privacy in mind. It offers Stripe-inspired documentation and includes 500 free PDF conver…

Free daystream database service. All operations are performed by API. Visualization with heat maps and line graphs is also possible.

Schedule webhooks to fire at a future time with automatic retries, delivery tracking, and failure alerting. Free plan includes 1,000 webhook…

Simplify workflows and create better APIs - faster - with Postman, a collaboration platform for API development. Use the Postman App for fre…

A complete platform for dataflow automation. Free plan includes 5 deployed workflows and 500 minutes of serverless compute credits per month…

A hosted Apache Superset service. Forever free for teams of up to 5 users, featuring unlimited dashboards and charts, a no-code chart builde…

IP API that detects residential proxies and VPNs. ProxySentry.io offers a free tier with 10k requests per month on rapidapi.com.

Turn any unstructured documents (PDF, XLSX, JPG, PPTX, etc.) into structured JSON data. Parse, extract data, and edit PDF forms. Free tier w…

FFmpeg API - A REST API for FFmpeg, run FFmpeg online without handling the infrastructure. Free tier with monthly processing quota and 4 vCP…

Create a free endpoint to which you can send HTTP requests. Any HTTP requests sent to that endpoint will be recorded with the associated pay…

Web service to generate unique and cool images from any text.

Simple HTTP proxy API for scraping. Scrape anonymously without having to worry about restrictions, blocks, or captchas. First 100 successful…

Headless Chrome scraping API and free checked proxies service. Javascript rendering, premium rotating proxies, CAPTCHAs avoiding. Free 10,00…

Real-time search engine scraping API. Returns structured JSON results for Google, YouTube, Bing, Baidu, Walmart, and many other machines. Th…

Trigger your webhook after each operation. The free plan includes 100 cloud scrape credits.

Geekflare API lets you scrape websites into Markdown, take screenshots, perform TLS scans and DNS lookups, test load times, and more. The fr…

SmartParse is a data migration and CSV to API platform that offers time- and cost-saving developer tools. The Free tier includes 300 Process…

Create secure RESTful APIs from CSV files. Upload a CSV file and instantly access the data via its API allowing faster application developme…

A collection of free online SQL tools, including an SQL formatter and validator, SQL regex tester, fake data generator, and interactive data…

Webhooks as a Service. Send up to 50,000 messages/month for free.

API for online search and rapid insights and comprehensive research, with the capability of organization of research results. 1000 request/m…

PDF generation API with a visual template editor, dynamic data merging, and SDKs for 7 languages. Free plan includes 60 PDFs/month and 3 tem…

IP Geolocation API with 1000 free requests / day. Provides information about the location of an IP address, including country, city, region,…

rich text editing API. Core features are free for unlimited usage.

Offers free plan of weather API. Provides accurate and up-to-date weather forecasting with global coverage, historical data and weather moni…

Treblle helps teams build, ship, and govern APIs. With advanced API log aggregation, observability, docs, and debugging. You get all feature…

Trophy is the gamification layer for consumer apps. Use pre-built APIs and open-source UI components to ship achievements, streaks, points,…

Real-time exchange rates for 590+ currencies and crypto. Unlimited API calls on the free plan, perfect for developers and finance apps.

Simple and free VAT number validation API. 150 free validations per month.

EU VAT number validation REST API with VIES and national tax-registry fallback, returning the official VIES consultation number for audit re…

Global weather data including current conditions, hourly and daily forecasts, and weather alerts via our API. Integrating AI models and ML s…

Simple Web Scraping API with built-in parsing, Chrome rendering, and proxies. Two thousand free API calls per month.

The developer-first MLOps platform. Build better models faster with experiment tracking, dataset versioning, and model management. Free tier…

A free service to check your public IPv4 and IPv6 address and related request data through an API with different output formats for automati…

AI-powered code review assistant. The free plan has a limit of 25,000 monthly tokens (~10 PRs).

Built-in knowledge-based algorithms in the cloud.

Turn any website into a parameterized API. 30k API calls per month.

Web scraping API with headless browsers, residentials IPs, and straightforward pricing. One thousand free API calls/month and extra credits…

Free Zip Code API, access to Worldwide Postal Code Data. 5,000 free requests/month.

REST API for US and Canadian postal codes with address validation, radius search, and Census demographics. 2,500 free requests/day.

Free Zip Code API and Postal Code Validation. Ten thousand free requests/month.

Free API Management platform to design, build, and deploy APIs to the Edge. Add API Key authentication, rate limiting, developer documentati…

Private and public artifact repos for Maven, PyPi, NPM, Go Module, Nuget, APT, and RPM repositories. Free for public projects.

Maven repository for JVM and Android projects on GitHub, free for public projects.

Build & scale AI models, Develop, train, and deploy AI applications, free plan: public projects, 5Gb storage, basic instances.

RepoFlow Simplifies package management with support for npm, PyPI, Docker, Go, Helm, and more. Try it for free with 10GB storage, 10GB bandw…

Private cloud-hosted repository for Python, Debian, NPM packages and Docker registries. Free plan for open source/public projects.

1 GB Free private/public Maven Repository.

A free cloud-based code snippet manager for personal and collaborative code.

Free all-on-one bookmark manager, tab manager, and task manager in a customizable online desktop with folder collaboration.

Chat app designed for teams. Free for public access group, unlimited users, history, and integrations. also, it provides a self-hostable ope…

Calendly is the tool for connecting and scheduling meetings. The free plan provides 1 Calendar connection per user and Unlimited sessions. D…

Find the perfect time and date for a meeting. Simple to use, works great for small and large groups.

Private document editor hosted in Canada. Write, format, collaborate, and publish documents with clean public links. Data is never used for…

Chanty is another alternative to Slack. It has a free forever plan for small teams (up to 10) with unlimited public and private conversation…

Online developer tools offering free access to all basic tools, with the ability to auto save one entry per tool, standard processing speed,…

Chat with public/private rooms. Markdown text, voice, video, and screen sharing capabilities. Free for unlimited users.

Free Step-by-Step Guide creator. Take screenshots, document processes and collaborate with your team. Also supports async screen recording.

Talk and collaborate in real time with your team. Pair programming with IDE, terminal sharing, voice, video, and screen sharing. Free for sm…

A decentralized and open-source communication tool built on Matrix. Group chats, direct messaging, encrypted file transfers, voice and video…

Tool for organizing information. Share your notes and work together with others

Connected workspace platform. Free for single users, up to 2 GB disk space.

A free online realtime scrum poker tool for agile teams that lets unlimited members estimate story points for faster planning.

Kanban-based platform for project management and issue tracking. Create public boards, set up webhooks, use card stamping, and track unlimit…

Interactive customizable spaces for team meetings & happy hours socials. Unlimited meetings, free up to 8 concurrent users.

A faster way for your team to communicate. Free Unlimited Messages, Channels, Users, Apps & Integrations

Privacy-first live chat widget for websites (~15KB, no cookies, no tracking). Free plan includes 1 site, unlimited messages, 30-day history,…

Platform for capturing and documenting technical knowledge - from product docs to internal knowledge bases and APIs. Free plan for individua…

Daily reports of your team's Commit and Pull Request activity on GitHub. Includes Push visualizer, peer recognition system, and custom alert…

Chat, for GitHub. Unlimited public and private rooms, free for teams of up to 25

Syntax-based, no registration Kanban Board for fast use. Free with no limitations.

Real time collaboration & writing tool for markdown format docs/files. Like Google Docs but for markdown files. Free unlimited number of "no…

Task management tool with chat, calendar, timeline and video calls. Free for up to 5 users.

All-in-One Project Management Platform (alternative to Linear, Jira, Slack, Notion, Motion) - unlimited users, 10GB storage per workspace, 1…

Keybase is a FOSS alternative to Slack; it keeps everyone's chats and files safe, from families to communities to companies.

Free-forever contact layer for indie developers and small teams: live chat widget for websites and mobile apps (iOS/Android/Flutter/React Na…

Bookmark manager for teams with tagging, multi-workspaces, and collaboration. Free plan includes 4 workspaces and 10 team members.

Reserve and lock shared resources within Slack like Rooms, Dev environments , servers etc. Free for upto 2 resources

One-click video conversations, and screen sharing, for free

Scalable, secure, cross-device, and enterprise-ready collaboration whiteboard for distributed teams. With a freemium plan.

Notion is a note-taking and collaboration application with markdown support that integrates tasks, wikis, and databases. The company describ…

A lightweight and collaborative wiki for all your team's knowledge, docs, and notes. Free plan with all essential features, up to 50 items,…

Free code interview platform with embedded video chat, drawing board, and online code editor where you can compile and run your code on the…

This is a JavaScript and the Crypto based simple paste site.

Beautiful and simple Pastebin with optional Client-Encryption, Multitab-Pastes, an API, a highlighted Editor and more.

Pendulums is a free time tracking tool that helps you manage your time in a better manner with an easy-to-use interface and valuable statist…

Password manager with built-in email aliases, 2FA authenticator, sharing and passkeys. Available on web, browser extension, and mobile app a…

Pullflow offers an AI-enhanced platform for code review collaboration across GitHub, Slack, and VS Code.

Free team chat app. Unlimited users and message history, free forever.

A simple timesheet and time tracking app for teams. The free plan has time tracking and generating reports features for up to 10 users.

Private and secure bookmarking app for macOS, Windows, Android, iOS, and Web. Free Unlimited Bookmarks and Collaboration.

Spec-driven development workflow for teams: shifts review left so problems get caught before code is written, instead of piling up in code r…

An OpenSource alternative forDiscord, that respects your privacy. It also have most proprietary features from discord for free. Revolt is a…

Open-source communication platform with Omnichannel features, Matrix Federation, Bridge with others apps, Unlimited messaging, and Full mess…

The best all-in-one feedback tool to collect digital feedback and review websites, PDFs, and images.

Free screen sharing tool, share your screen with collabrators right from your browser, no download or registration needed. For free.

Private or cloud storage, file sharing, sync, discussions. The cloud version has just 1 GB

Share feedback for website projects directly on your website, no emulation, canvas or workarounds. Completely functional free tier.

A modern knowledge management service for teams. Free for up to 10 users.

Free for unlimited users with some feature limitations

A status page of status pages. Could you track the status pages of your upstream providers?

Visual collaboration app used for brainstorming, content curation, and notes. Free for up to 3 Walls, unlimited users, and 1 GB storage.

Free HD virtual backgrounds for video calls on Zoom, Microsoft Teams, and Google Meet. 1,000+ studio-designed environments with no signup re…

Free group video chat. Anonymous. Peer‑to‑peer. No plugins, signup, or payment required

All-in-one project management application for software development companies.

Free Project, Task, and Issue-tracking software. Supports Kanban with Swimlanes and full Scrum implementation. Has integrated time tracking.…

improve team development processes with Team Analytics and Smart Daily Standup. Includes full-featured Time Off management for remote-first…

Telegram is for everyone who wants fast, reliable messaging and calls. Business users and small teams may like the large groups, usernames,…

Tencent Real-Time Communication (TRTC) offers solutions for group audio/video calls.10,000 free minutes/month for the first year.

Free time tracking software for unlimited users. Easily integrates with PM tools like Jira, Trello, Asana, etc.

Free open-source white-boarding and diagramming tool with intelligent arrows, snapping, sticky notes, and SVG export features. Multiplayer m…

simplest, fastest and safest interface to transfer and share files. Send photos, videos and other large files without a mandatory subscripti…

Preview every pull request, automated and on-demand. Free for all, complimentary Nano tier for non-profits.

An asynchronous-friendly team communication app where conversations stay organized and on-topic. Free and Unlimited plans are available. Dis…

Interconnected online personas, user stories and context mapping. Helps keep design and dev in sync free for up to 3 personas and two colla…

A Visual feedback tool for better client-dev communication

Video meetings with a free plan offering 40 minutes per meeting with 100 attendees.

Website feedback tool, website review software, and bug reporting tool for streamlining web development collaboration on tasks directly on l…

One-click video conversations, for free (formerly known as appear.in)

Windmill is an open-source developer platform to quickly build production-grade multi-step automation and internal apps from minimal Python…

Video hosting with viewer analytics, HD video delivery, and marketing tools to help understand your visitors, 25 videos, and Wistia branded…

Straightforward file sharing service. Share unlimited files up to 5GB with as many peers as you want.

Share files up to 5GB with end-to-end encryption for up to 24hours. For files larger than 5 GB, it uses peer-to-peer transfer to send your f…

Secure Video and Web conferencing add-ons available. The free plan is limited to 40 minutes.

Real-time chat with a unique email-like threading model. The free plan includes 10,000 messages of search history and File storage up to 5 G…

Easily collect feedback from your customers, turn customer feedback into your product roadmap. Collect, prioritize, and ship features that a…

Time tracking and invoicing for freelancers and small teams. Free plan includes 1 user, 3 active projects and 3 invoices per month.

Headless CMS. Content management and delivery APIs in the cloud. Comes with one free Community space that includes five users, 25K records,…

Headless CMS and API toolkit. Free personal plans for developers.

Headless PIM with ecommerce support. Built-in GraphQL API. The free version includes unlimited users, 1000 catalog items, 5 GB/month bandwid…

Offers free tier for small projects. DatoCMS is a GraphQL-based CMS. On the lower tier, you have 100k/month calls.

Offers free tier for small projects. GraphQL first API. Move away from legacy solutions to the GraphQL native Headless CMS - and deliver omn…

Headless CMS. Content management interface with fully hosted and scalable API. The Community Plan provides unlimited API calls, documents, c…

Platform for structured content with an open-source editing environment and a real-time hosted data store. Unlimited projects. Unlimited adm…

Free AI website creator from Mozilla, create a beautiful website for your business from a few simple inputs. Free custom domain, no credit c…

Offers free tier for small projects. API / GraphQL first. Open source and based on event sourcing (versing every change automatically).

A Headless CMS for developers and marketers that works with all modern frameworks. The Community (free) tier offers Management API, Visual E…

Replacing Forestry.io. Open source Git-backed headless CMS that supports Markdown, MDX, and JSON. The basic offer is free with two users ava…

Set up WordPress on any cloud in less than 5 minutes! The free tier includes 1 server, 2 sites, free SSL certificates, and unlimited cron jo…

A complete workflow to write, review, and deploy code), a free account for one user, and one repository with 100 MB of storage

Automated code reviews for PHP, Python, Ruby, Java, JavaScript, Scala, CSS, and CoffeeScript, free for unlimited public and private reposito…

Automated Infrastructure as Code review tool for DevOps integrates with GitHub, Bitbucket, and GitLab (even self-hosted). In addition to sta…

Code coverage tool (SaaS), free for Open Source and one free private repo

Automated Code Review for Git. The free version includes unlimited users, public repositories, and one private repo.

AI-powered code review tool that integrates with GitHub/GitLab. Free tier includes 200 files/hour, 3 reviews per hour, and 50 conversations/…

Automate performance tracking in your CI pipelines. Catch performance regressions before deployment, thanks to precise and consistent metric…

Display test coverage reports, free for Open Source

Advanced static analysis for automatically finding runtime errors in JavaScript code, free for Open Source

DeepSource continuously analyzes source code changes, finding and fixing issues categorized under security, performance, anti-patterns, bug-…

Instantly find the differences between two blocks of code. Completely free to use.

EverSQL - The #1 platform for database optimization. Gain critical insights into your database and SQL queries automatically.

Gerrit code review for GitHub repositories for free

Code Quality for Go projects, free for Open Source

Reports and thorough recommendations to optimize websites

The #1 static code analyzer for Postgresql optimization. Performance, security, and architect database issues automatic detection service

Comments on GitHub commits about code quality, free for Open Source

Code review for GitHub repositories, free for public or personal repos.

Static code analysis for Java, C/C++, C# and JavaScript, free for Open Source

Continuous inspection platform, free for Open Source

Programming language aware diff for GitHub pull requests and commits, free for public repositories

Quality metadata badges for open source projects

Automated source code analysis for Java, JavaScript, C/C++, C#, VB.NET, PHP, Objective-C, Swift, Python, Groovy and even more languages, fre…

Google Keep for Code Snippets. Organize, Discover, and share code snippets, featuring a powerful code screenshot tool with preset templates…

Search and dependency update notifications for 32 different package managers, free for open source

Search various websites like GitHub, Gitlab, Heroku, Netlify, and many more for the availability of your project name.

Surfaces `TODO` comments (and other markers) to identify areas of code worth returning to for improvement.

An enterprise-grade mobile DevOps platform that automates the build, test, and publish store of mobile apps for faster, efficient release cy…

CD service for Windows, free for Open Source

A CI/CD for mobile apps, native or hybrid. With 200 free builds/month 10 min build time and two team members. OSS projects get 45 min build…

A CI/CD with five free projects and one concurrent run (120 executions/month)

CI Pipelines free for 3 users and 5k job minutes/month. Test Analytics free

Database CI/CD and DevOps. Free under 20 users and ten database instances

Comprehensive free plan with all features included in a hosted CI/CD service for GitHub, GitLab, and BitBucket repositories. Multiple resour…

Free for public GitHub repositories

Free 500 build minutes/month

1 project with ten daily deployments (30 build minutes/month)

Deploy your app on AWS/GCP/Azure in under 30 minutes. Setup standardised app environments on any cloud, which come with in-built continuous…

The workflow automation tool lets you connect apps and automate workflows using UI. It supports many apps and the most popular APIs. Free fo…

workflow automation and merge queue for GitHub - Free for public GitHub repositories

Nx Cloud speeds up your monorepos on CI with features such as remote caching, distribution of tasks across machines and even automated split…

Run GitHub Actions and GitLab CI pipelines smarter with real-time scaling Spike Instances. Free tier includes 400 vCPU-minutes, 800 GB-minut…

Run your GitHub actions 2x faster, 3.000 build minutes free each month.

Management platform for Infrastructure as Code. Free plan features: IaC collaboration, Terraform module registry, ChatOps integration, Conti…

creates a VM for each branch and makes your app available from a unique URL, Unlimited public & private repos, Up to 2 GB VM Sizes.

Terramate is an orchestration and management platform for Infrastructure as Code (IaC) tools such as Terraform, OpenTofu, and Terragrunt. Fr…

GitOps-first Terraform automation with pull request-driven workflows, project isolation via self-hosted runners, and layered runs for ordere…

Open-source background jobs and AI agent platform with durable tasks, no timeouts, and realtime. Free plan includes $5 monthly compute credi…

Test your Android & iOS apps on this Cloud Based Android Phone / Tablets emulator and iPhone/iPad simulators directly in your browser. The f…

Open Source visual testing for developers. Unlimitedprojects, with 5,000 screenshots per month. Free for open-source projects.

A continuous benchmarking tool suite to catch CI performance regressions. Free for all public projects.

Lightweight test automation tool for web applications. It is easy to learn and doesn't require coding. You can run unlimited tests on your o…

Browser extension that tests if your website follows 50+ SEO, speed and security best practices. Free tier for smaller websites.

Code-first synthetic monitoring for modern DevOps. Monitor your APIs and apps at a fraction of the price of legacy providers. Powered by a M…

A free tool for developers and API testers to check if an API is CORS-enabled for a given domain and identify gaps. Get actionable insights.

Fast, easy and reliable testing for anything that runs in a browser. Cypress Test Runner is always free and open-source with no restrictions…

Records and replays all steps made in a web browser and creates scripts, free with fewer options

Selenium Grid testing with a free plan of up to 4 simultaneous selenium nodes/10 grid starts/4,000 test minutes/month

Provides a testing platform that can help teams of all sizes at different levels of testing maturity, including Katalon Studio, TestOps (+…

Keploy is a functional testing toolkit for developers. Recording API calls generates E2E tests for APIs (KTests) and mocks or stubs(KMocks).…

Ship fast. Don't break things. AI-supported visual verification and tests you can actually trust. Free forever plan: 1 project, 500 runner-m…

Automatically create API and load tests by analyzing network traffic. Simulate up to 50 concurrent users for up to 60 minutes for free month…

holistic visual regression testing for your Storybook, Ladle, Histoire stories and Web Apps. Unlimited team members, totally free for open-s…

Load behaviour and page speed analysis and optimization tool. The free plan provides 10 tests per day, 5 experiments per week, and 15 GB of…

Add visual testing to any web app, static site, style guide, or component library. Unlimited team members, Demo app, and unlimited projects…

Test management system for Dev and QA teams. Manage test cases, compose test runs, perform tests, track defects, and measure impact. The fre…

No-code mobile app test automation tool built on top of computer vision and AI.

Open-source Chrome Extension to Intercept, Redirect and Mock HTTP Requests.

Free on-page SEO website tester. 10 free website crawls per day. Useful SEO learning resources and recommendations on how to improve the on-…

It's like CodePen but for cross-browser testing. UI-licious lets you write tests like user stories and offers a free platform - UI-licious S…

Check SSR (server-side rendering) for any URL by visually comparing the server rendered version of the page with the regular version.

Selenium Browser and Device Testing, free for Open Source

A Dashboard for publishing automated test results and a Framework for implementing manual tests as code using GitHub. The service is free fo…

Test results reporting and test case management. Integrates with popular test frameworks. Open Source software developers, individuals, educ…

Capture and inspect webhooks from your browser. Forward to localhost, or replay from history. Free to use.

Build scalable UIs in Java or TypeScript, and use the integrated tooling, components, and design system to iterate faster, design better, an…

Verify webhooks, outbound HTTP requests, or emails with a custom URL. A temporary URL and email address are always free.

Various free network and server tools.

A web UI automation tool that functions without the need for selectors. Every developer gets 500 actions per month for free.

All-in-one appsec platform covering SCA, SAST, CSPM, DAST, Secrets, IaC, Malware, Container scanning, EOL,... Free plan includes two users,…

Manage SSL Certificate issuance, renewal, and monitoring. Search the Certificate Transparency Logs. Free for 3 certificates and 1 user after…

Find public SSL/TLS certificates recorded in Certificate Transparency logs. CT search is free but CT monitoring is not.

Free autonomous security platform that finds, validates and fixes insecure code and packages across +20 languages and frameworks. Free plan…

Cloud-first, developer-friendly security platform prevents data breaches in .NET and Java applications

A simple, intuitive web app for analyzing and decoding/encoding data without dealing with complex tools or programming languages. Like a Swi…

Open Source CLI tool to prevent Kubernetes misconfigurations by ensuring that manifests and Helm charts follow best practices as well as you…

Automated dependency updates for Ruby, JavaScript, Python, PHP, Elixir,

Scan your Django site for security flaws with this free, automated checkup tool. Forked from the Pony Checkup site.

Universal Secrets Manager for application secrets and config, with support for syncing to various cloud providers. Free for five users with…

Sync your .env files, quickly & securely. Stop sharing your .env files over insecure channels like Slack and email, and never lose an import…

Keep secrets out of your source code with automated secrets detection and remediation. Scan your git repos for 350+ types of secrets and sen…

Search across 20 million exposed secrets in public GitHub repositories, gists, issues,and comments for Free

REST API for fetching the information on the breaches.

A shell script DRM compiler that converts shell scripts into obfuscated binaries using an embedded shell interpreter and anti-debugging (alt…

Online vulnerability scanner for web applications, servers, and networks. Ten free scans per month.

Open source platform that lets you manage developer secrets across your team and infrastructure: everywhere from local development to stagin…

Test for modern Internet Standards like IPv6, DNSSEC, HTTPS, DMARC, STARTTLS and DANE

DNS and email security analyzer that checks SPF, DKIM, DMARC, DNSSEC, BIMI, MTA-STS, and 40+ blacklists with AI-powered explanations and fix…

Free SSL Certificate Authority with certs trusted by all major browsers

Monitor Java, Javascript, .NET, Scala, Ruby, and NodeJS projects for security vulnerabilities in dependencies. Free for one private project,…

Find and fix security vulnerabilities in your site.

Daily SSL/TLS certificate monitoring: expiry alerts (30/7/1 day), chain and OCSP revocation checks, and certificate transparency issuance hi…

Free website security check, site antivirus, and server firewall (WAF) for PHP. Email notifications for registered users in the free tier.

High confidence Indicator of Compromise(IOC) targeting public cloud infrastructure, A portion is available on github (https://github.com/unk…

Monitor Python dependencies for security vulnerabilities and update them automatically. Free for one private project, unlimited projects for…

Find web app vulnerabilities, audit for OWASP Risks

Machine authenticated secrets manager, includes 2 projects, 2 bootstrapped machines, 20 secrets and 7 days audit log retention for free.

Secure Enterprise-grade platform for managing environment variables and secrets. Free tier includes up to 3 applications and 150 secrets per…

Free supply chain security for individual developers, small teams, and open source projects. Includes a free app and firewall CLI tool to pr…

Intense analysis of the configuration of any SSL web server

Free website security check and malware scanner

Test an SSL/TLS service for secure server configuration, certificates, chains, etc. Not limited to HTTPS.

Tools and services for implementing end-to-end encryption, database protection, IoT security, and more in your digital solution. Free for ap…

A free tool to search a username across 90+ social platforms to find matching profiles.

Fine-grained authorization as a service for applications and APIs. Free up to 1000 MAUs and 100 authorizer instances.

Seamless Integration of SSO, MFA, passwordless auth and more. Includes SDKs for frontend and backend apps. Free up to 1000 MAUs and five ide…

Hosted SSO. The free plan includes 25,000 MAUs, unlimited Social Connections, a custom domain, and more.

Bring Passwordless, OTPs, 2FA, SSO to your apps in minutes. All Front-end included. Free up to 5000 MAUs.

Authentication login and access control, unlimited identity providers for any project. Facebook, Google, Twitter and more. The first 1000 AP…

Two-factor authentication (2FA) on multiple devices, with backups. Drop-in replacement for Google Authenticator. Free for up to 100 successf…

A complete authorization management system for authoring, testing, and deploying access policies. Fine-grained authorization and access cont…

User management, authentication, 2FA/MFA, prebuilt UI components for sign-in, sign-up, user profiles, and more. Free plan includes unlimited…

Keycloak Identity and Access Management as a Service. Free up to 100 users and one realm.

Highly customizable AuthN flows, has both a no-code and API/SDK approach, Free 7,500 active users/month, 50 tenants (up to 5 SAML/SSO tenant…

Two-factor authentication (2FA) for website or app. Free for ten users, all authentication methods, unlimited, integrations, hardware tokens…

Simple, robust authentication you can integrate with your product in minutes. Everything you need to get started with 7,500 free MAU.

Two-factor authentication (2FA) by push notifications, free for ten users, VPN, Websites, and SSH

Develop, secure, and manage user identities of your product - for both authentication and authorization. Free for up to 5,000 MAUs with open…

MojoAuth makes it easy to implement Passwordless authentication on your web, mobile, or any application in minutes.

User management, authentication and authorization. Free for up to 100 monthly active users.

AuthN/AuthZ/OAuth2.0/Zero Trust managed security platform. Forever free developer accounts with all security features, unlimited team member…

Auhtorization-as-a-service provider platform enabling RBAC, ABAC, and ReBAC for scalable microservices with real-time updates and a no-code…

Keycloak Open Source Identity and Access Management. Free realm up to 1000 users, up to 10 SSO connections, leveraging Phase Two's Keycloak…

A Sell to companies of any size immediately with a few lines of code, free up to 200 users and 10k Transactional Emails (with a watermark br…

Enterprise SSO (SAML, OIDC), SCIM provisioning, and social logins for B2B SaaS. Free tier includes 1 million MAU, 100 organizations, 1 SSO c…

Open-source authentication that doesn't suck. The most developer-friendly solution, getting you started in just five minutes. Self-hostable…

An all-in-one platform that provides APIs and SDKs for authentication and fraud prevention. The free plan includes 10,000 monthly active use…

Open source user authentication that natively integrates into your app - enabling you to get started quickly while controlling the user and…

Free user management and authentication for up to 1 Million MAUs. Support email + password, social auth, Magic Auth, MFA, and more.

A turnkey user and access management that works for you and supports multi-tenant (B2B) use cases. Free for up to 25,000 authenticated reque…

Mobile app hosting platform. The free plan includes five apps, 50 monthly downloads, and a maximum file size of 100 MB.

Deploy iOS & Android apps directly to devices. Free plan: app uploads, password-protected links, 1-day expiration, ten installations.

Distribute mobile apps for testing. The free plan includes one app project, three app versions, 500 MB storage, and 100 app installations pe…

Distribute iOS & Android apps over the air. Free plan: unlimited uploads, private links, 2-day expiration for guests, 60 days for registered…

iOS & Android beta apps distribution service offers completely free services with unlimited downloads, high-speed downloads, and unlimited u…

Manage and distribute Android, iOS and Desktop apps. Useful for tester or self distribution. Try it for free with 2 apps, 1 org, 100 MB stor…

Deploy prepared apps on IaaS. Management of 1 AWS micro instance free

MDM and MAM for Android Devices with DevOps. One hundred devices free with one user license and 25 MB Application Storage.

Device management for iPads, iPhones, and Macs, three devices free

Device Management service. Stay up-to-date with your device fleet and secure unlimited devices for free. The free plan offers basic features…

Server management tool to easily manage and deploy your servers & sites. Free for one server.

Server management focusing mainly on PHP projects. Free for up to 1 server.

Manage and monitor PHP-based web servers with automated configurations. Free for one server.

Server management and deployment platform with a user-friendly interface. Free tier available for one server.

Realtime messaging service with presence, persistence and guaranteed delivery. The free plan includes 3m messages per month, 100 peak connec…

RabbitMQ as a Service. Little Lemur plan: max 1 million messages/month, max 20 concurrent connections, max 100 queues, max 10,000 queued mes…

Single API for push, in-app, email, chat, SMS, and other messaging channels with template management and other features. The free plan inclu…

Scalable and secure serverless MQTT broker you can get in seconds. 1M session minutes/month free forever (no credit card required).

All-in-one Customer Engagement and Automation Tool (email, push, SMS, product tours, banners and more) for SaaS. Free for up to 1,000 active…

Multi-channel notification infrastructure for developers with a prebuilt in-app inbox and no-code template editor. Free plan includes 10,000…

Connect your MQTT devices to the Cloud Native IoT Messaging Broker. Free to connect up to 100 devices (no credit card required) forever.

Send and receive text messages using your Android phone as an SMS Gateway. Free to send and receive up to 200 messages per month.

Notifications infrastructure for developers. Send to multiple channels like in-app, email, SMS, Slack, and push with a single API call. The…

The open-source notification infrastructure for developers. Simple components and APIs for managing all communication channels in one place:…

Communication infrastructure in 5 minutes. Free tier includes: 100 SMS and calls, 3000 Emails, Push, Slack, MS Teams, WhatsApp, and more.

Send push notifications to your iOS and Android devices. Effortlessly integrate via API or Webhooks and maintain full control over your aler…

Swift, Kotlin, and React messaging at 1 million transactions each month. Transactions may contain multiple messages.

Realtime messaging service. Free for up to 100 simultaneous connections and 200,000 messages/day

Realtime messaging service. Free for up to 20 simultaneous connections and 100,000 events/day

SMS Gateway for Android™ enables sending and receiving SMS messages through your devices using cloud routing. Completely free cloud service…

SuprSend is a notification infrastructure that streamlines your product notifications with an API-first approach. Create and deliver transac…

NATS.io as a service. Global, AWS, GCP, and Azure. Free forever with 4k msg size, 50 active connections, and 5GB of data per month.

Web Push Notifications - Free for upto 10k subscribers, unlimited push notifications, in-browser messaging

Realtime messaging service, Pusher-compatible. Dev tier is limited to local development only and free with 100 concurrent connections, 1,000…

Free up to 100k log lines/day with 24 hours retention

LogDog is a remote debugging/logging SDK (iOS and Android) with a web ui. Captures all logs, requests and events in real-time and allows to…

Free for up to 12,960,000 entries per app per month, 3 days retention

ClickHouse-based SQL-compatible log management. Free up to 1 GB per month, three days retention.

Audit trail management system. Free 1,000 user activity logs per month, 1-month retention, for up to 5 projects.

Log Management service powered by Manage Engine. Free Plan offers 50 GB storage with 15 days Storage Retention and 7 days search.

200 GB Ingestion/month free, 15 Days Retention

Centralized log management platform with end-to-end encryption, real-time alerts, and multi-platform SDKs. Free tier includes up to 3.000 lo…

Instantly localize without managing translation files. Free for up to 10,000 characters/month, unlimited languages.

Unlimited projects, unlimited strings, and collaborators for Open Source

Free for everybody

Open-source AI-powered CLI for web & mobile localization. Bring your own LLM, or use 10,000 free words every month via Lingo.dev-managed loc…

Free up to 3 users, always free for Open Source

Automatic on-brand translations on every pull request, with glossary and translation memory. Free for 1 project, 250 translation credits/mon…

Free for 1000 source language strings, unlimited languages, unlimited contributors, startup and open source deals

Fast, developer-friendly localization platform with seamless and free GitHub/GitLab integration, AI-assisted and manual translations, and a…

Free for Open Source

Free up to 2000 translations, Unlimited translators, ten languages/project, 1000 translatable assets/project

Free up to 1000 strings

Free up to 100 translation keys, unlimited strings, unlimited languages, startup deals

Free for a single user

Free SaaS offering with limited translations, forever-free self-hosted version

Free for Open Source

Free tier offers 1 uptime/API monitor with 15-minute check intervals and instant email alerts.

Accesserty Pulse monitors interaction signals and detectable accessibility risks on live websites. Free plans for everyone and 14-day Pro tr…

server security (eBPF agent for Linux), uptime monitoring, on-call alerting/status pages in one product. Free tier includes 10 uptime monito…

Automated API testing and monitoring. Free plans for teams and individuals.

Uptime monitoring, incident management, on-call scheduling/alerting, and status pages in a single product. The free plan includes ten monito…

Free for 3 servers, 5 uptime monitors, unlimited users, unlimited dashboards, unlimited alerting rules.

Open source E2E / Synthetic monitoring and deep API monitoring for developers. Free plan with one user and 10k API & network / 1.5k browser…

Find Core Web Vitals history for a url or a website.

Performance insights and uptime monitoring for cron jobs, websites, APIs and more. A free tier with five monitors.

Free for up to 5 nodes

Monitoring for cron jobs. One free snitch (monitor), more if you refer others to sign up

60 uptime monitors, 5-minute interval. Email, Slack alerts.

Cron, heartbeat, and uptime monitoring with incident management and status pages. Free for up to 50 monitors with 1-min interval and unlimit…

Economize helps demystify cloud infrastructure costs by organizing cloud resources to optimize and report the same. Free for up to $5,000 sp…

Linux server monitoring with real‑time dashboards and alerting - free forever for up to 5 monitored servers at 60-seconds interval. No credi…

Uptime, content, dependency, and SSL monitoring with multi-region verification and status pages. Free plan includes 15 monitors, 5-minute ch…

Grafana Cloud is a composable observability platform that integrates metrics and logs with Grafana. Free: 3 users, ten dashboards, 100 alert…

Monitor your cron jobs and background tasks. Free for up to 20 checks.

Cloud and SaaS status page aggregator - 20 monitors and 2 notification channels (Slack and Discord) are free forever.

A complete Real-Time monitoring dashboard in less than one minute with a free forever tier.

Get a beautiful status page in 10 seconds. Free forever with unlimited subs and unlimited teams.

Online broken link checker, free for small websites up to 100 pages, completely free for open-source projects.

Free load testing tools with limitations

Server monitoring, public status pages, and service uptime monitoring.

Middleware observability platform provides complete visibility into your apps & stack, so you can monitor & diagnose issues at scale. They h…

Minimalist uptime monitoring with beautiful status pages. The Forever Free plan offers HTTPS, Keyword, SSL and Response-time monitorming for…

Netdata is an open-source tool to collect real-time metrics. It's a growing product and can also be found on GitHub!

New Relic observability platform built to help engineers create more perfect software. From monoliths to serverless, you can instrument ever…

OnlineOrNot provides uptime monitoring for websites and APIs, monitoring for cron jobs and scheduled tasks. Also provides status pages. The…

Check if a website is blocked in China by the Great Firewall. It identifies DNS pollution by comparing DNS results and ASN information detec…

Monitor website changes, free for up to 6 monitors with daily checks.

Simple interface for alerting and on-call management. Free up to 5 users.

Uptime Monitoring free for up to 100,000 events for unlimited projets and unlimited status pages.

Modern uptime monitoring service. Check unlimited URLs and get downtime notifications via Discord, Slack, or email.

5 uptime monitors with 10-minute interval. Monitor SSH, HTTP, HTTPS, and any custom TCP ports.

Advanced status page platform with monitoring. The free tier includes one public customizable status page with an SSL subdomain. Pro plan is…

Free REST API (GET /api/v1/statuses) returning real-time operational status for 75+ AI services including OpenAI, Anthropic, Gemini, Mistral…

10 monitors, 6 Months of historical Uptime/Logs, unlimited status pages, and custom domains included! For infinite time and unlimited email…

Powerful Kubernetes monitoring based on Prometheus. Bring your own Prometheus or install the all-in-one bundle. The free tier includes up to…

On-call alerting, incident management, and public/private status pages. The free plan includes up to 5 users, 1 team, 1 on-call schedule, ba…

Advanced uptime monitoring with support for large projects and teams. Provides HTTP monitoring, Browser based monitoring, DNS monitoring, do…

Powerful server monitoring in a unified platform for metrics and logs, with no setup complexity. Free for one server.

Website and cron monitoring - 2 monitors free

Free for first 100,000 requests (Rails only)

Website monitoring, unlimited tests free with limitations

Status page monitoring, 3 monitors free

Synthetic monitoring from 20+ global regions. The free tier includes 1,000 browser checks/mo with AI-driven self-healing and automated test…

Open-source OpenTelemetry observability (traces, logs, and metrics) with AI-agent incident investigation. The free tier includes 1M spans, 5…

Server monitoring, uptime monitoring, DNS & domain monitoring. Monitor 10 server, 10 uptime, and 10 domain for free.

Noncommercial free server monitoring service, alerts and metrics.

Get 20 uptime monitors with 5-minute intervals and a customizable status page-even for commercial use. Enjoy unlimited, real-time notificati…

Free monitoring for five websites, 3-minute intervals, public statuspage.

monitor five pages, checks every 24 hours.

Uptime monitoring: 20 free, Linux and Windows Server monitoring: 5 free, Status page: 1 free - Mobile app, multiple notification channel, an…

Free uptime monitoring for hobby projects. Includes 50 monitors with 5-minute check intervals, supports HTTP, ping, port, and keyword monito…

Store up to 0.5 TB of logs with 30-day retention. Includes integrations with platforms like Vercel and advanced data querying with email/Dis…

Error-tracking with Sentry-SDK compatibility. Free for up to 5,000 errors/month, or unlimited use when self-hosted.

Free for up to 2,000 errors/month after the initial trial

JavaScript error tracking with screenshots and click trails. Free for open-source projects.

Error logging and uptime monitoring for web developers. Free Small Business subscription for open-source projects.

Mobile app monitoring. Free for small teams with up to 1 million user sessions per year.

Real-time error, feature, log reporting, and more. Free for 3k events per month/1 user. Open source and easy to self-host for unlimited use.

Simple, open-source error tracking. Compatible with open-source Sentry SDKs. 1000 events per month for free, or can self-host with no limits

Exception, uptime, and cron monitoring. Free for small teams and open-source projects (12,000 errors/month).

Developer friendly bug reports in one click. Free plan with unlimited jams.

Cloud device observability and debugging platform. 100 devices free for Nordic, NXP, and Laird devices.

Exception and error monitoring, free plan with 5,000 errors/month, unlimited users, 30 days retention

Free all-in-one kill switch for your mobile apps.

Sentry tracks app exceptions in real-time and has a small free plan. Free for 5k errors per month/ 1 user, unrestricted use if self-hosted

One-click bug reports straight in your browser. Free plan with unlimited recordings for personal use.

Hosted search solution with typo-tolerance, relevance, and UI libraries to easily create search experiences. The free "Build" plan includes…

Free 1 GB memory and 1 GB storage

Unified Search Bar as-a-service, web-based UI widget/plugin that allows your users to search contents, navigations, features, etc. within yo…

Free 2 indices and 20 MB storage

Offers free certification-aligned courses in topics like cybersecurity, networking, and Python.

Free, open-source AWS certification practice exams with 1,050+ questions for CLF-C02. Features timed mock exams, domain practice, spaced rep…

AI coding tutor that teaches you on your own codebase and never writes the code for you. Free tier: 10 in-browser lessons/month, Python/JS r…

Free short courses from industry-leading experts to get hands-on experience with the latest generative AI tools and techniques in an hour or…

Free, self-paced training for the Cisco DevNet Expert / CCIE Automation certification. Covers Python Click and Flask-RESTx.

Free online guides for learning Django as their first framework & gives free dofollow backlink to articles written by users.

Offers access to over 4,000 free online courses from 250 leading institutions, including Harvard and MIT, specializing in computer science,…

Free, open-source programming education in over 75 programming languages, with human mentoring. A nonprofit organisation.

Free platform with lots of Resume templates of Experienced Professionals, ready to clone and edit fully and download, ATS optimized.

Open-source platform offering free courses and certifications in Data Analysis, Information Security, Web Development, and more.

Free university-level course on modern web development with React, Node.js, GraphQL, TypeScript, and more. Fully online and self-paced.

AI-powered resume builder with real-time editing and ATS optimization. Free tier includes automatic CV conversion to premium templates (Harv…

Free online guides for learning basic and advanced HTML/CSS, JavaScript and SQL.

Develop skills in Linux, DevOps, Cybersecurity, Programming, Data Science, and more through interactive labs and real-world projects.

MIT OpenCourseWare is an online publication of materials from over 2,500 MIT courses, freely sharing knowledge with learners and educators a…

Free, open-source resume builder with dozens of templates. Exports to PDF, DOCX and also provides a publicly shareable link to the resume (o…

Free learning roadmaps covering all aspects of development from Blockchain to UX Design.

Free, open-source platform with a curriculum focused on JavaScript and Ruby for web development.

Offers free tutorials on web development technologies like HTML, CSS, JavaScript, and more.

Free, temporary email for testing.

Transactional email service, free for 1000 emails per month, with unlimited domains, team members, webhooks and message routes in the free p…

Open-source anonymous email forwarding, create unlimited email aliases for free

Open source, anonymous email alias/forwarding solution with PGP encryption, reply capability, 10 random & 1 custom alias on the free plan wi…

10 API requests per hour for email verification, IP, and phone number validation in the free tier. No Credit Cards are required.

transactional and broadcast email API. 3,000 emails/month free, then as low as 8¢ per 1k

9,000 emails/month, 300 emails/day free

Free 10 Bump email addresses, one custom domain

Free 5 Burner Email Addresses, 1 Mailbox, 7-day Mailbox History

Newsletter service. Up to 100 subscribers free

DMARC monitoring platform with DNS drift alerts, IP threat intel and unlimited users. First domain is free - no credit card required.

Turn incoming emails into webhooks to trigger your API from emails. The service is completely free.

Contact form in a link (bitly for contact forms)

Easy to use testing mail server for developers

Test if the email's DNS/SPF/DKIM/DMARC settings are correct, free service by roundsphere.com

Up to 2 Email addresses under your domain for free with 100MB of storage space. IMAP, POP3, SMTP, SPF/DKIM support.

Block disposable emails, catch typos, and validate MX records via a simple API. 100 free requests/month.

This is not an entire email server; this is just an email client that you can use to send emails right from the client without exposing your…

Send up to 9,000 Emails for free every month, up to 300 emails daily.

Free email infrastructure grader that checks SPF, DKIM, DMARC and mail server configuration. Scores any domain out of 100. No signup require…

Up to 2,500 subscribers and 10,000 emails per month free

100 free email verifications per month

free 12,000 emails/month, Email API and SMTP, SPF/DKIM/DMARC support, No Credit Cards are required.

Ethereal is a fake SMTP service, mainly aimed at Nodemailer and EmailEngine users (but not limited to). It's an entirely free anti-transacti…

Free email forwarding for custom domains. Create and forward an unlimited amount of email addresses with your domain name (**note**: You mus…

Sandbox Email Server for testing email functionality across build/qa and ci/cd. Free accounts get 15 emails a day forever.

Free email forwarding.

Create up to 3 temporary emails a day, then delete them when you're done from within a handy Chrome extension. Perfect for testing signup fl…

Free temporary/disposable email inbox, with up to 3-day email auto-deletes. Open source and can be self-hosted.

Email forwarding for custom domains with ARC/DKIM signing. Free plan includes 1 domain, 1 mailbox, 300 emails/month, and up to 1MB message s…

Test if the email's DNS/SPF/DKIM/DMARC settings are correct, 20 free/month.

SMTP relay and email API for developers. 5,000 emails per month, unlimited domains, free email verification, blacklist monitoring, mail test…

Catches mail and serves it through a web interface.

Email API with REST API and SMTP integrations, free for upto 3,000 emails/month.

Prevent users to sign up with temporary email addresses, 120 requests/hour (~86,400 per month)

Up to 100 subscribers and unlimited emails as well as automations for free.

1,000 subscribers/month, 12,000 emails/month free

Email API, SMTP, 500 emails/month free for transactional emails, 100 API requests/day

Free, public email system where you can use any inbox you want

6,000 emails/month free (200 emails daily sending limit)

Free API for temporary email testing, free public email hosting, outbound capture, email-to-slack/websocket/webhook (1,500 monthly API limit…

Email API and SMTP with 4,000 emails/month free, limited to 150 emails/day. Email Marketing includes 500 contacts and 1,500 emails/month. Em…

Free 10 Email IDs, 1 Domain, 1 Mailbox. Single Mailbox for All Email IDs.

10,000 emails/month,No Credit Cards are required.

Free bulk email validator, 100 validations per day, no signup required.

Free email parser (Forward email, extract the data, send it to your server)

3K emails/month for free

100 emails/month free, unlimited DMARC weekly digests.

Free secure email account service provider with built-in end-to-end encryption. Free 1GB storage.

Transactional emails API for developers. 3,000 emails/month, 100 emails/day free, one custom domain.

Up to 15,000 emails/month, up to 2,500 subscribers

500 subscribers/month, 15,000 emails/month free

Email framework as a service, that adds templates, automations, history, etc to your own SMTP server (E.g. AWS, Maileroo, Gmail). Free up to…

Open source, self-hostable email alias/forwarding solution. Free 10 Aliases, unlimited bandwidth, unlimited reply/send. Free for educational…

Unlimited free newsletter service. Start paying when you charge for it.

A user-friendly DMARC monitoring platform. The free plan covers one domain with up to 1,000 emails per month.

European transactional emails API for developers. 100 emails/day free.

Free disposable temporary email service with multiple emails at once and forwarding

Temporary / Disposable Mail Gen Utilizing a range variety of domain. Email Address refreshes everytime, the page is reloaded. It is entirely…

Verify up to 200 emails a month for free and see if an email is temporary or not.

Free disposable email addresses with forwarding and automatic address expiration

Free secure email account service provider with built-in end-to-end encryption, no ads, no tracking. Free 1GB storage, one calendar (Tuta al…

Real-time email verification API with mailbox confirmation and disposable email address detector; 25 free email verifications/day.

Bulk and API email verification service. 100 free verifications/month

Waitlist management software for product launches. Create branded waitlist pages, collect and verify email subscribers, manage signups with…

email automation workflows, 5k tracked events and unlimited contacts free.

Free SMTP relay on the msgwing.com domain, up to 200 emails/day, no paid tier. Sends from a shared @msgwing.com address only (no custom doma…

Open-Source feature flags & A/B testing. Configuration as Code & Fully Typed Typescript SDKs. Strong integration with Frameworks such as Nex…

ConfigCat is a developer-centric feature flag service with unlimited team size, excellent support, and a reasonable price tag. Free plan up…

Release features with confidence; manage feature flags across web, mobile, and server-side applications. Use our hosted API, deploy to your…

Open source feature flag and A/B testing provider with built-in Bayesian statistical analysis engine. Free for up to 3 users, unlimited feat…

EU-hosted feature flag management with scheduled releases, instant rollback, and A/B testing. 12 SDKs included. Free plan up to 500K API req…

Type-safe feature flags, A/B testing, analytics and app configuration, with Git-style version control and synchronous, in-memory, local flag…

A robust platform for feature management, A/B testing, analytics, and more. Its generous free plan offers unlimited seats, flags, experiment…

Enterprise-ready, scalable multi-regional feature toggles management platform. Free plan up to 10 flags, two environments, unlimited request…

Provides several unique fonts for personal or commercial use.

Privacy oriented Google Fonts

The fonts presented on this website are their authors' property and are either freeware, shareware, demo versions, or public domain.

Offers multiple tools; @font-face, Units Converter, Font Hinter and Font Submitter.

Identify all the fonts used on a website and how they are used.

Freeware fonts licensed for commercial work. Hand-selected these typefaces and presented them in an easy-to-use format.

Has a variety of fonts available to download and sorted neatly with tags.

free and open source service for delivering font families to websites using CSS.

Opensourced Google fonts tagged by users. With CJK (Chinese,Japanese, Korean) font tags.

is a free fonts service. It’s a growing collection of professional-grade fonts, 100% free for personal and commercial use.

Many free fonts are easy and quick to install on a website via a download or a link to Google's CDN.

Form backend platform for intelligent developers. The free plan allows 250 form submissions per month. Friendly modern GUI. Integrates with…

Powerful, developer-friendly form builder. Build signup & login, user onboarding, payment flows, complex financial applications, and more. T…

Free plan allows collecting 25 total feedback submissions. Easy to integrate with React and Vue components provided.

Form builder and backend with AI-driven logic. Free plan includes 100 responses per month, unlimited forms (including AI-created forms), web…

Endpoint for HTML forms submissions. With notifications, spam blockers, and GDPR-compliant data processing. Free plan for basic usage.

HTTP POST Form endpoint, Free plan allows 100 monthly submissions.

Share and embed unique-looking forms on your website-no limits on the number of forms created or features restricted by the plan. Get up to…

Headless form backend for developers. The free plan allows 100 form submissions per month including file uploads, server-side field validati…

Unlimited forms with 50 monthly submissions, spam protection, email notification, and a drag-and-drop designer that can export HTML. Additio…

Form Plume is a form backend for HTML and JavaScript forms. One endpoint gets you spam filtering, email notifications, file uploads, webhook…

Online forms, unlimited single page forms/month, 100 submissions/month, email notifications.

Create online forms with powerful features like conditional logic, automatic score calculator, and AI. Collect up to 100 responses with a fr…

Form to Email service, free plan allows unlimited forms, 250 submissions per month, support by Customer assistance team.

Send email using an HTTP POST request. The free tier limits to 50 submissions per form per month.

Easy form endpoints for your HTML forms. Free Forever. No registration is required.

Create fully-responsive and captivating forms in seconds, without knowing how to code, and collect unlimited responses for free!

Forms backend with bot detection and encrypted archive. Forward submissions via UI to email, Slack, or Zapier. Use your own front end. No se…

Drag and drop online form builder. The free tier lets you create unlimited forms and collect unlimited submissions. Comes with pre-built tem…

Create online forms for free, collect submissions, accept payments, automate workflows, and get documents signed with built-in e-signatures.…

Feature rich form endpoint. Works great with static sites. The free plan includes up to 1 website with up to 50 monthly submissions.

The free plan allows one site, one form, and 1,000 monthly submissions.

Embed a PDF editor on your website and turn any PDF into a fillable form. The free plan allows unlimited PDFs with three submissions per PDF…

Powerful and easy form backend for your website, forever free plan allows 50 submissions per month, 250MB file storage, Zapier integration,…

Integrate HTML forms easily without any server-side code for free. After the user submits the form, an email with the form content will be s…

Pull feedback from all sources and send follow-up surveys with one tool. Automatically analyze feedback and extract insights with AI. Free e…

99% of all the features are free. The free tier lets you have: unlimited forms, unlimited submissions, email notifications, form logic, coll…

Include beautifully designed forms on websites. The free plan allows only ten fields per form and 100 monthly responses.

Collect feedback using delightful surveys with high response rates. Free plan includes 1 active survey, 25 responses per survey and customiz…

Electronic Signature platform with a REST API. You can receive notifications with webhooks. Free plan watermarks signed documents but allow…

Contact forms for Static & JAMStack Websites without writing backend code. The free plan allows Unlimited Forms, Unlimited Domains & 250 Sub…

Quick forms to use on websites. The free plan has a limit of 100 submissions each month.

Create unlimited forms get unlimited submissions free of cost. Use professionally created 1000+ form templates or create forms from scratch.…

AI engineering platform that helps AI eng/PMs, evaluate, and observe AI applications and agents with built-in Alyx agent. Free product inlcu…

AI-powered audio enhancer SaaS that removes noise and echo while preserving natural vocal clarity. totally Free: unlimited one-click enhance…

Evals, prompt playground, and data management for Gen AI. Free plan gives upto 1,000 private eval rows/week.

Clinical AI Reference. Students have free access to the professional tool suite, which includes Open Search, Clinical Summary, Med Review, D…

Evaluate, test, and ship LLM applications across your dev and production lifecycles. #opensource

Open-source platform to evaluate, observe, and improve LLM and AI agent apps, with tracing, evals, simulations, and guardrails. Free tier in…

The best LLM monitoring platform. One format to call 200+ LLMs with 2 lines of code. 10,000 free requests every month and $0 for platform fe…

Open-source LLM engineering platform that helps teams collaboratively debug, analyze, and iterate on their LLM applications. Free forever pl…

A LLMOps platform helping AI teams measure, monitor, and optimize LLM applications for reliability, cost-efficiency, and performance. With a…

Open-source (MIT) LLM observability and evaluation platform to trace, monitor, and evaluate AI agents in production. Free Starter plan inclu…

AI media gateway providing unified access to leading image generation models via an OpenAI-compatible API. The platform itself is free to us…

An LLM evaluation and observability platform with agent simulation and prompt playground. Free tier offers 10k monthly logs, access to promp…

MediaWorkbench.ai offers 100,000 free words for Azure OpenAI, DeepSeek, and Google Gemini models, enabling users to access powerful tools fo…

Provides various free AI models including DeepSeek R1, V3, Llama, and Moonshot AI. These models excel in natural language processing and are…

easy-to-use, free image generation AI with free API available. No signups or API keys required, and several option for integrating into a we…

Control panel for Gen AI apps featuring an observability suite & an AI gateway. Send & log up to 10,000 requests for free every month.

AI Powered Writing Assistant. The entire platform is free as long as you bring your own API key.

Observability for AI/LLM apps built on OpenTelemetry. Traces model calls and tool steps with tokens, cost, latency and errors; send OTLP ove…

Converts audio or video to text using AI. Generates summaries and other insights using LLMs. The free tier includes 2 transcriptions per day…

Instantly auto-fix outputs from tools like Cursor, Windsurf, and Copilot to meet your company's quality and compliance standards using guard…

CDN for bootstrap, bootswatch and fontawesome.io

Up to 5 TB per month of Free CDN traffic, 19 Core PoPs , 1 Domain and Universal SSL.

Simple. Fast. Reliable. Content delivery at its finest. cdnjs is a free and open-source CDN service trusted by over 11% of all websites, pow…

The Google Hosted Libraries is a content distribution network for the most popular Open Source JavaScript libraries

Global content delivery network, 1 TB and 1 million requests per month free and

A free, fast, and reliable open-source CDN. Supports npm, GitHub, WordPress, Deno, and more.

The Microsoft Ajax CDN hosts popular third-party JavaScript libraries such as jQuery and enables you to easily add them to your Web applicat…

Free DDoS protection

Free DDoS protection and SSL certificate

Free cloud Secure Web Gateway. Free plan includes up to 5 users and 1 GB per day.

A modern replacement of **rawgit.com** which simply hosts file using Cloudflare

The 100% Native ES Module JavaScript CDN. Free for 1 million requests per domain per month.

CDN for Git repos (GitHub, GitLab, Bitbucket), WordPress-related assets, and images

Stellate is a blazing-fast, reliable CDN for your GraphQL API and free for two services.

Proxy for Packagist and GitHub. Never fail CD. Free for personal use, one developer, no support

CDN for everything on npm

An image cache & resize service. Manipulate images on the fly with a worldwide cache.

Ampt lets teams build, deploy, and scale JavaScript apps on AWS without complicated configs or managing infrastructure. Free Preview plan in…

Web app development with nothing but Python. Free tier with unlimited apps and 30-second timeouts.

Build and deploy your GitHub app for free with 0.5 vCPUs / 512 MiB RAM, European servers, automatic firewall, real-time performance metrics.…

Unlimited projects with no project pausing (supports websockets) and authentication service. 1 Database, 3 Buckets, 5 Functions per project…

European PaaS with automated deployments, autoscaling, managed databases, and Git-based workflows. Includes €20 free credits at signup, a li…

AI-native internal developer platform as a service. The free tier includes up to 5 components and $100 credits per month.

Open source, cross-platform, mobile app development toolchain for Java/Kotlin developers. Free for commercial use with an unlimited number o…

Headless backend and services, purpose built for AI agents. Includes hosting, databases, storage, LLMs, and third-party APIs. Agentic signup…

Run compute jobs across Cloud Providers & On-Prem. The free tier includes up to 10 concurrent job runs, 2 compute spawns, self-hosted comput…

Distributed system that runs JavaScript, TypeScript, and WebAssembly at the edge worldwide. The free tier includes 100,000 requests per day…

Linux hosting service that provides CI/CD with GitHub, SSH, and MariaDB/Postgres database. The free version has 1 GB storage and 1 GB networ…

Backend framework using static analysis to provide automatic infrastructure, boilerplate-free code, and more. Includes free cloud hosting fo…

Deploy web services, databases, and more on your own AWS account with a Git push style workflow. Free tier for users with 1 developer on per…

Gigalixir provides one free instance that never sleeps and a free-tier PostgreSQL database limited to 2 connections, 10, 000 rows and no bac…

Build and deploy microservices, jobs, and managed databases with a powerful UI, API & CLI. Seamlessly scale containers from version control…

Free single-node k3s in your own AWS account, run apps, databases, workers with a git push. Use your AWS credits at peak efficiency.

An integration platform built for developers. Develop any workflow based on any trigger. Workflows are code you can run for free. No server…

Cloud Python app hosting. Beginner account is free, 1 Python web application at your-username.pythonanywhere.com domain, 512 MB private file…

Collaborative TypeScript/JavaScript serverless platform for scripts, HTTP endpoints, and cron jobs. Free plan includes unlimited public vals…

An open-source platform that allows you to quickly build, ship and manage modern APIs. Built-in CI/CD, GitHub integration, and automatic HT…

All-in-one platform to connect APIs and services in a serverless environment. It brings all the agility and benefits of NoCode tools but wit…

Build automation flows to connect several apps together in your app's backend. For example, send a Slack message or add a Google Sheet row w…

Back4App is an easy-to-use, flexible and scalable backend based on Parse Platform.

Mobile and Web Baas, with 1 GB file storage free, push notifications of 50,000/month, and 1000 data objects in the table.

Unlimited chat messages, p2p voice & video calls, files attachments and push notifications. Free for apps up to 1000 users.

Reactive backend as a service, hosting your data (documents with relationships & serializable ACID transactions), serverless functions, and…

Define, version, and deploy automation scripts using YAML. A developer-first alternative to drag-and-drop tools. Can be used for scheduled t…

Build your Flutter App UI without writing a single line of code. Also has a Firebase integration. The free plan includes full access to UI B…

Build scalable In-App Chat, Messaging, Video and audio, and Feeds in a few hours instead of weeks

Automate your favorite apps and devices. Free 2 Applets

Automate tedious tasks with a single click. Free 100 Tasks, 15 Minute

Mobile backend. 1GB of data storage, 256MB instance, 3K API requests/day, and 10K pushes/day are free. (API is very similar to Parse Platfor…

Serverless backend for web and mobile apps. The free plan includes PostgreSQL, GraphQL (Hasura), Authentication, Storage, and Serverless Fun…

Unlimited free push notifications. 10,000 email sends per month, with unlimited contacts and access to Auto Warm Up.

Backend service API with flexible authentication, full-text search and caching. Free for one app, 1GB of app data.

Free push notifications for up to 1 million messages/month and 100 active daily devices

Free, unlimited push notifications for 2000 monthly active users. A single API for iOS and Android devices.

Move data everywhere instantly and automatically, multi-platform, unlimited sending and storage of structured data, max. 2,500 users/month

AI no-code platform that turns a plain-language description into a complete business system with a relational database, dashboards, workflow…

The Open Source Firebase Alternative to build backends. Free Plan offers Authentication, Realtime Database & Object Storage.

API management with authentication, quotas, monitoring and analytics. Free cloud offering

Connect the apps you use to automate tasks. Five zaps every 15 minutes and 100 tasks/month

Low code project to build admin panels, internal tools, and dashboards. Integrates with 15+ databases and any API.

Budibase is an open-source low-code platform for creating internal apps in minutes. Supports PostgreSQL, MySQL, MSSQL, MongoDB, Rest API, Do…

A low-code platform designed for building business process applications with customizable mobile and web apps. Offers a drag-and-drop interf…

write and run scripts online utilizing free built-in APIs like OpenAI, Anthropic, Firecrawl and others. Great for building AI agents / inter…

Powerful no-code cloud platform with a focus on industrial production management. Free for one user with 1 million workflow activities a mon…

Rapid Application Development for Enterprises, unlimited accessible sandbox environments supporting total users, 0.5 GB storage and 1 GB RAM…

Enterprise web development PaaS for on-premise or cloud, free "personal environment" offering allows for unlimited code and up to 1 GB datab…

Low-code platform for building internal applications. Retool is highly hackable. If you can write it with JavaScript and an API, you can mak…

Extensible low-code framework for building business applications. Connect to databases, cloud storages, GraphQL, API endpoints, Airtable, et…

Low-code platform that enables faster building of custom web applications. Supports building UI using drag and drop with a high level of cus…

1 GB free web hosting with support for MySQL, PostgreSQL, RabbitMQ, .NET, Deno, Elixir, Go, Java, Lua, Node.js, PHP, Python, Ruby, Rust. Cus…

Free web hosting + a free short domain, PHP, MySQL, App Installer, Email Sending & No Ads.

Publish static sites (HTML/Markdown/images/PDF or a whole folder) to an instant HTTPS URL with no account; free tier shows a small banner. C…

Visual programming to build web and mobile apps without code, free with Bubble branding.

Decentralized web hosting platform for Web3 frontends focusing on increasing uptime and security and providing an additional access point fo…

Build and deploy three static sites for free on the App Platform Starter tier.

Community-powered free Flarum hosting for up to 250 users (donate to remove the watermark from the footer).

Deploy up to 100 static sites for free, custom domains with SSL, 100 GB monthly bandwidth, 260+ Cloudflare CDN locations.

Free hosting for one project with two weeks Container TTL, 500 MB RAM per project, SFTP - 1G disk space.

Website platform for developer-built React, Vue, or Svelte component sites with visual editing, forms, analytics, and global CDN hosting. Fr…

Static, 1 GB free storage with 200 GB Bandwidth.

Builds, deploys and hosts static site/app free for 300 credits/month (equals 30 GB bandwidth).

An eco-system for developers includes web hosting in different formats (static web hosting, container based web hosting, wordpress and so ma…

Drupal and WordPress hosting, automated DevOps, and scalable infrastructure. Free for developers and agencies. No custom domain.

PaaS service similar to Heroku with a developer-centric approach and all-inclusive features. Free tier for static assets, staging, and devel…

Free documentation hosting with versioning, PDF generation, and more

Unified cloud to build and run apps and sites with free SSL, a global CDN, private networks, auto-deploys from Git, and completely free plan…

Find, Create, and Publish Open Source software for free

Static web publishing for Front-End developers. Unlimited sites with custom domain support

One site, 50 pages, 50 MB storage, only the main pre-defined blocks among 170+ available, no fonts, no favicon, and no custom domain

Build, deploy, and host web apps with free SSL, global CDN, and unique Preview URLs each time you `git push`. Perfect for Next.js and other…

SaaS-focused website builder - unlimited websites, 70+ blocks, five templates, custom CSS, favicon, SEO and forms. No custom domain.

Free public DNS Resolver, which is fast and secure (encrypt your DNS query), provided by Cloudflare. Useful to bypass your internet provider…

Free DNS service with API and lots of other free DNS features included.

Free DNS hosting up to 1 domain with 50 records

Free DNS hosting with API support, designed with security in mind. Runs on open-source software and is supported by SSE.

Free DNS hosting service with Dynamic DNS Support

Free DNS hosting.

Free DDNS with up to 5 domains on the free tier. With configuration guides for various setups.

Free DDNS service with API support and management of a lot of dns record types (like CNAME, MX, SPF, SRV, TXT and others).

Free DNS hosting. Also, provide free subdomains based on numerous public user contributed domains. Get free subdomains from the "Subdomains"…

Free DNS hosting for up to 3 domains and DNSSEC support

Free DNS hosting from Hetzner with API support.

Free DNS hosting by Huawei

Free `.localcert.net` subdomains compatible with public CAs for use with-in private networks

Free DNS hosting, three domains, all features with reasonable limits

Free DNS. No limit on the number of domains

DNS-based firewall, 300K free queries monthly

Free DDNS service without registration, tracking, logging or advertising. No limit to domains.

a dynamic DNS service that allows up to 3 hostnames free with confirmation every 30 days

Free DNS service that when queried with a hostname with an embedded IP address returns that IP address.

Free DNS hosting for 5 domains.

Free DNS hosting with Dynamic DNS Support.

Free DNS hosting service with instant DNS propagation. Free plan: 1 DNS zone (domain name) with up to 10 DNS records.

Free subdomains.

Free subdomain registration across multiple domain suffixes, with custom nameserver support.

Free isroot.in subdomains.

Free pp.ua subdomains.

Compatible with AWS S3 - APIs, interface operations, CLI, and other upload methods, upload and store files from the IPFS and Arweave network…

Backblaze B2 cloud storage. Free 10 GB (Amazon S3-like) object storage for unlimited time

S3 Compatible Object Storage Powered by Blockchain. 5 GB free storage for an unlimited duration.

AI-driven IaaS with generous compute, storage; offers $30 (might be limited to $5 on certain accounts) of free monthly credits

8base is a full-stack low-code development platform built for JavaScript developers built on top of MySQL and GraphQL and serverless backend…

Looks like a spreadsheet, but it's a relational database unlimited bases, 1,200 rows/base, and 1,000 API requests/month

Aiven offers free PostgreSQL, MySQL and Valkey (Redis compatible) plans on its open-source data platform. Single node, 1 CPU, 1GB RAM, and f…

Backs up Supabase projects to your own S3/R2/B2 bucket, then runs scheduled restore drills to prove backups restore. Provides a free plan wi…

Free tier offers 50 million RUs and 10 GiB of storage (same as 15$ worth) free per month. (What's the Request Units)

Easy to use JavaScript serverless API/backend and NoSQL database service with functions, Mongdb-ish queries, key/value lookups, a job system…

deploy a forever free tier fully managed database cluster with 1 node and 8GB storage, built for developers to create the next generation of…

Distributed Open Source SQL database for real-time analytics. Free Tier CRFREE: One-node with 2 CPUs, 2 GiB of memory, 8 GiB of storage. One…

filess.io is a platform where you can create two databases with up to 10 MB per database of the following DBMS for free: MySQL, MariaDB, Mon…

Timeseries database, free up to 3MB/5 minutes writes, 30MB/5 minutes reads and 10,000 cardinalities series

Managed Memcache service. Free for up to 25MB, 1 Proxy Server, and basic analytics

free tier gives 512 MB

Managed native Graph DBMS / analytics platform with a Cypher query language and a REST API. Limits on graph size (200k nodes, 400k relations…

Managed PostgreSQL, 0.5 GB of storage per project, 100 Projects ,10 branches per project, Unlimited Databases, always-available primary bran…

A Postgres platform for B2B apps. Unlimited databases, Always available with no shutdown, 1GB of storage (total), 50 million query tokens, a…

Super fast hosted Postgres built on unikernels and running on bare metal, 500MB total storage, 5 databases, integrated with Prisma ORM.

Vector Database for embedding data, single node cluster with 0.5 vCPU, 1GB RAM, and 4GB disk.

a fast and straightforward NoSQL cloud database service. With restdb.io you get schema, relations, automatic REST API (with MongoDB-like que…

Flexible, Spreadsheet-like Database built by the Seafile team. unlimited tables, 2,000 lines, 1-month versioning, up to 25 team members.

Cloud Data Platform offers a free tier and all plans are completely free while in beta

One tool that combines spreadsheets' flexibility, databases' power, and built-in integrations with your favorite business apps. The free pla…

A serverless managed ClickHouse with connection-less data ingest over HTTP and lets you publish SQL queries as managed HTTP APIs. There is n…

Turso is SQLite Developer Experience in an Edge Database. Turso provides a Free Forever starter plan, 9 GB of total storage, Up to 500 datab…

Serverless Redis with free tier up to 500K monthly commands, 256MB max database size, and 20 concurrent connections

Free and secure dynamic reverse proxy service.

Visual Studio extension to expose IIS Express to the local network or over a tunnel to a public URL.

Expose local sites via secure tunnels. The free plan includes an EU Server, Random subdomains, and Single users.

LogMeIn Hamachi is a hosted VPN service that lets you securely extend LAN-like networks to distributed teams with a free plan that allows un…

Develop, test, and monitor your webhooks from anywhere. 100K requests and 100K attempts per month with three days retention.

Expose locally running servers over a tunnel to a public URL.

Multi-protocol tunneling for HTTP, TLS, TCP, UDP, File Server (Default, SFTP, WebDAV), and Proxy Tunnel (HTTP, SOCKS5, Shadowsocks, VLESS).…

Expose locally running servers over a tunnel to a public URL. Free hosted version, and open source.

Reverse proxy that enables you to expose your localhost servers to the internet. The free plan has 15 minutes tunnel lifetime.

Expose locally running servers over a tunnel to a public URL.

Public URLs for localhost with a single command, no downloads required. HTTPS / TCP / TLS tunnels. The free plan has 60 minutes tunnel lifet…

Connect multiple computers together via a VPN-enabling LAN-like network. Unlimited peers. (Hamachi alternative)

Expose local servers to the internet. No installation, no signup. Free subdomain, no limits.

Twilio STUN

Google STUN

Zero config VPN, using the open-source WireGuard protocol. Installs on MacOS, iOS, Windows, Linux, and Android devices. Free plan for person…

Manage, debug, fan-out, and proxy all your webhooks to public or internal (i.e. localhost) destinations. Also, expose servers running in a p…

Unlimited STUN usage + 500 MB monthly TURN bandwidth, capped bandwidth, single geographic region.

FOSS managed virtual Ethernet as a service. Unlimited end-to-end encrypted networks of 25 clients on the free plan. Clients for desktop/mobi…

Free project management and SCRUM software for up to 5 team members

Free for private project with collaborators

Everything your team needs to release great projects in one platform. The free plan offers 1 Project with ten users & 100MB of storage.

To-do lists, milestone management, forum-like messaging, file sharing, and time tracking. Up to 3 projects, 20 users, and 1GB of storage spa…

Intranet and project management tool. The free plan has 5GB for unlimited users.

Online real-time diagrams: flowchart, UML, network. Free max. 15 users/diagram, 25 sheets

Project management. Free, premium version with cloud storage. Mobile applications and Git integrations are available.

Time tracker and timesheet app that lets you track work hours across projects. Unlimited users, free forever.

Design a professional architecture diagram in minutes with the Cloudcraft visual designer, optimized for AWS with intelligent components tha…

Atlassian's content collaboration tool is used to help teams collaborate and share knowledge efficiently. Free plan for up to 10 users.

Versatile project management platform. Free for up to 3 projects, unlimited users, 1 GB storage.

Online diagrams stored locally in Google Drive, OneDrive, or Dropbox. Free for all features and storage levels

Simple and intuitive sprint retrospective tool. The free plan has three public boards and one survey per board per month.

tasks, discussions, milestones, time tracking, calendar, files and password manager. Free plan with unlimited projects, users, and file stor…

Project Management and issue Tracking toolset for complex projects with self-premises and SaaS options. SaaS free plan offers the first five…

Free description-to-diagrams tool for developers. Create informal UML class, object, or entity-relationship diagrams using your keyword.

GraphQL Inspector outputs a list of changes between two GraphQL schemas. Every difference is precisely explained and marked as breaking, non…

Customer support software that offers a live chat on the free forever plan. Simple, lightweight and beautiful. Setup is a simple copy-paste…

Real-time sprint retrospective platform with voting, timers, surveys, guest collaboration, and ice-breaker games. The forever-free plan incl…

Project management platform. The free plan offers unlimited users, projects & boards with 100 MB of Storage.

interactive diagrams that allow users to see their infrastructure from multiple perspectives and levels of detail. Charts can be expressed i…

Advanced software development project management tool used in many corporate environments. Free plan for up to 10 users.

A powerful, flexible kanban app that helps you organise work, track progress, and deliver results-all in one place. Free plan up to 1 user f…

Board-based project management. Free, premium version with more options

Kanban board-based project management. The free plan has two boards and two users, without attachments or files.

Collaborate through all phases of the product development process and keep track of work across Slack, Discord, Figma, and Github. Unlimited…

Let anyone organize their job search and track interviews, opportunities, and connections. Powerful web app and Chrome extension. Completely…

Relationship maps with animation, decorations, filters, clustering, spreadsheet imports, etc. The free tier allows unlimited public projects…

Leiga is a SaaS product that uses AI to automatically manage your projects, helping your team stay focused and unleash immense potential, en…

Issue tracker with a streamlined interface. Free for unlimited members, up to 10MB file upload size, 250 issues (excluding Archive)

An online diagram tool with collaboration features. Free plan with three editable documents, 100 professional templates, and basic collabora…

Online task management for teams. Free up to 3 projects and unlimited project members.

Free online scrum tool with kanban board

Project management software that enables your teams to collaborate, plan, analyze, and manage everyday tasks. The essential plan is free for…

Plane is a simple, extensible, open-source project and product management tool. Free for unlimited members, up to 5MB file upload size, 1000…

Free online planning poker (estimation tool)

Online Planning Poker (consensus-based estimation tool). Free for unlimited users, teams, sessions, rounds, and votes. You don't need to reg…

Free Minimalistic Time Tracker and Timesheet app for projects.

Scrum board with a very intuitive interface, free up to 5 users.

sflow.io is a project management tool built for agile software development, marketing, sales, and customer support, especially for outsourci…

In-app bug reporting and feedback tool for mobile apps. Free plan, ten bug reports per app/month.

Project management platform. Free for up to 10 users forever.

Project management platform for startups and agile developers, free for Open Source

Real-time collaborative task lists and team outlines. The free plan has one workspace with unlimited tasks and projects; 1GB file storage; 1…

Standup, retro, and sprint planning tool for remote teams. Free for up to 15 users.

Project management & Team Chat. Free for five users and two projects. Premium plans are available.

Simple and fun retrospective tool with icebreakers, gifs and emojis. The free plan includes three retros and unlimited members.

Lightweight project management tool for agile teams. The SaaS relies on free contributions; users can always choose to give 0 and there is n…

productivity tools for Jira and monday.com offering structured checklists, templates, and approvals inside issues/tasks. Free plan available…

Collaborative and individual task management. The free plan has: 5 active projects, five users in the project, file uploading up to 5MB, thr…

Provides two free productivity tools. Toggl Track for time management and tracking app with a free plan provides seamless time tracking and…

Board-based project management. Unlimited Personal Boards, 10 Team Boards.

Simple Weekly To-Do Calendar & Task Management.

Product designing Service with Projects, VCS & Issues. The free plan offers unlimited projects & collaborators and 3GB storage.

Agile development and issue tracking. Free up to 3 users, unlimited projects.

Free hosted YouTrack (InCloud) for FOSS projects and private projects (free for three users). Includes time tracking and agile boards

The only project management solution inside GitHub. Free for public repos, OSS, and nonprofit organizations

Project management and collaboration tool. Free for up to 5 members, 5 GB attachments.

Project management with free plan for 4 Projects & 4 users. GitHub integration is available.

Free file-sharing platform with unlimited speed, bandwidth, file count, download count, etc. It is mainly aimed for Android dev-related file…

Zero-knowledge E2EE file sharing with client-side AES-256-GCM encryption and zero server-side data access. Free uploads for files up to 5GB…

Simple and secure offsite backup hosting for Borg Backup. 10 GB free backup space and two repositories.

Image upload, powerful manipulations, storage, and delivery for sites and apps, with Ruby, Python, Java, PHP, Objective-C, and more librarie…

AI based cloud storage with free up to 20 GB, three devices, 5 GB referral bonus (90 days account inactivity).

Temporary file delivery for agents and automation. Free tier includes 10 deliveries every 24 hours with API, MCP, and CLI access.

Zero-knowledge file sharing. End-to-end encrypted file sharing with AES-256-GCM encryption, client-side processing, and zero server-side dat…

Provides APIs for embedding media in a webpage, responsive image scaling, and extracting elements from a webpage. Free for up to 5,000 URLs/…

Ente is an end-to-end encrypted cloud for photos, videos and 2FA secrets. Can also be self-hosted along with a generous forever free-tier of…

Zero-knowledge encrypted file sharing. AES-256-GCM browser-side encryption ensures files are encrypted in-browser before upload. No account…

2 GB storage of files. A file is auto-deleted after one download. REST API to interact with the storage. Rate limit one request/minute.

Free online tools. Convert or edit documents, images, audio, video, and more.

A simple JSON data storage API perfect for personal projects, hackathons, and mobile apps!

Free file sharing and storage platform can be used via web-based UI & also API. unlimited file size, bandwidth, download count, etc. But it…

Image and video hosting, processing and streaming via CDN. Provides generous free tier of 250 GB / month for videos and 30 GB / month for i…

Simple cloud storage service. 10 GB free storage

Unlimited image chart generation with a watermark

ImageEngine is an easy to use global image CDN. Sub 60 sec setup. AVIF and JPEGXL support, WordPress-, Magento-, React-, Vue- plugins and mo…

Image CDN with automatic optimization, real-time transformation, and storage that you can integrate with existing setup in minutes. The free…

ImgBB is an unlimited image hosting service. Drag and drop your image anywhere on the screen. 32 MB / image limit. Receive Direct image link…

Imgbot is a friendly robot that optimizes your images and saves you time. Optimized images mean smaller file sizes without sacrificing quali…

On the fly image generation API (text over background, logo) for opengraph images, free, no watermark, CDN

Image Caching, management and CDN. Free plan includes 1000 origin images, infinite transformations and 100 GB bandwidth

Internxt Drive is a zero-knowledge file storage service based on absolute privacy and uncompromising security. Sign up and get 10 GB for fre…

Image optimization for website performance as a service, free plan up to 1 MB file size

Free QR code generator focused on privacy and no tracking. Free to use with no data collection.

Convert files in bulk. Supports many formats, including AVIF and JXL. Extract image frames from videos. Compress PDFs. Free for 15 files per…

Accelerate your site's speed on autopilot with complete front-end optimization (caching, images and code optimization, CDN). Free for up to…

JSON store with collaborative schema editing

Anonymous JSON storage for scripts and tiny apps. No signup required; uses Master AID for updates and Read-Only RID for public fetching. Fre…

Encrypt, share, copy, and move all your cloud storage files from one place. The basic plan provides unlimited file transfer with 250 MB max.…

Hosted Package Repositories for YUM, APT, RubyGem and PyPI. Limited free plans and open-source plans are available via request

Cloud storage service. Up to 10 GB of free storage

Pinata is the simplest way to upload and manage files on IPFS. Our friendly user interface and IPFS API make Pinata the easiest IPFS pinning…

Graph and share your data. The free tier includes unlimited public files and ten private files

You can use Podio with a team of up to five people and try out the features of the Basic Plan, except user management

Ultra-secure cloud storage for files and key documents. Free plan offers 5gb of storage space.

Free QR code generator with built-in scan analytics, bulk generation & brand customisation, focused on reliability without any ads.

Generate embeddable image charts, graphs, and QR codes

P2P file syncing, free for up to 2 users

reSmush.it is a FREE API that provides image optimization. reSmush.it has been implemented on the most common CMS such as WordPress, Drupal,…

Smart Image CDN with on-the-fly image optimization and resizing. The free tier includes 500 MB of storage and 2 GB of bandwidth.

Create all the optimized versions of your images and videos. For Free. In bulk. For each image, you get the following formats: AVIF, WEBP an…

End-to-End cloud storage service. 5 GB of free storage

API to compress and resize PNG and JPEG images, offers 500 compressions for free each month

Handles file uploads and encoding of video, audio, images, documents. Free for Open source, charities, and students via the GitHub Student D…

Responsive images as a service. It provides an image CDN, a media processing API, and a frontend library to automate image optimization. The…

Uploadcare provides the media pipeline with the ultimate toolkit based on cutting-edge algorithms. All features are available for developers…

Easily create custom QR codes for gift cards, gift vouchers, and promotions. Support custom styling, color, logo...

A composition-first website builder based on shadcn/ui blocks. The free plan lets you connect your own custom domain, and includes unlimited…

A free installable Web app for drawing SVGs and exporting in SVG, PNG, jpeg, and other formats.

Generate an entire year's worth of unique icons in a single click, absolutely FREE

Free online design tool to create visual content.

Offers a well-crafted admin dashboard & and UI kits designed to simplify and speed up modern web development.

A free online drawing document web page with free save to local and export support.

Online, collaborative design tool for teams; free tier includes unlimited files and viewers with a max of 2 editors and three projects.

A fully customizable product adoption platform for building onboarding and user engagement experiences. Free for up to 250 monthly tracked u…

Generate, edit, and publish beautiful websites and landing pages for your startup. All without code. The free tier allows you to have one we…

Free cloud image hosting.

Company logo API with 44M+ brands that's as easy as calling a URL. First 10,000 API calls are free.

Design, prototyping, and collaboration, free plan limited to one user and project.

Unlimited mind maps for free and store them in the cloud. Your mind maps are available everywhere, instantly, from any device.

Mockplus iDoc is a powerful design collaboration & handoff tool. Free Plan includes three users and five projects with all features availabl…

A Free, Advanced online design editor with Adobe Photoshop UI supporting PSD, XCF & Sketch formats (Adobe Photoshop, Gimp and Sketch App).

A fast, easy-to-use, robust web design tool and page builder that integrates into your codebase. Build responsive pages or complex component…

Create fully interactive UI prototypes without coding. The free tier is available when the free trial ends. The free tier includes one user,…

Quant Ux is a prototyping and design tool. - It's completely free and also open source.

Preview your theme changes across different components and layouts.

Create product mockups, 200 free mockups.

Free search engine for 312K+ open-source SVG icons with ready-to-use SVG, React, Vue, HTML, and CSS code.

Low-code Front-end Design & Development Platform. TeleportHQ is the collaborative front-end platform to instantly create and publish headles…

Effortless landing page builder with hosting. One website for free.

WYSIWYG website builder for tailwindcss-based designs. Free for non-commercial usage.

WYSIWYG website builder with animations and website hosting. Free for two projects.

Open-source alternative to Webflow. The free plan offers unlimited websites on their domain. Five websites with custom domains. Ten thousand…

Collaborative flowcharts, wireframes, sticky notes and mind maps. Create up to 4 free boards.

Designer and developer collaboration platform. Show designs, assets, and style guides. Free for one project.

Download High Quality Free and Premium Admin dashboard template created with Angular, React, VueJs, NextJS, and NuxtJS! HTML Themes and UI K…

Selected high quality, modern design, professional and easy-to-use Free Admin Dashboard Template,

High-Quality Free and Premium Admin Dashboard and Website Templates created with Angular, Bootstrap, React, VueJs, NextJS, and NuxtJS!

Map tools that work like clockwork. Fifty thousand free monthly queries (map tiles, db2vector, elevation).

Location discovery, venue search, and context-aware content from Places API and Pilgrim SDK.

Vector and raster map tiles, geocoding, places, routing, isolines APIs. Three thousand free requests/day.

Geocoding via API or CSV Upload. Two thousand five hundred free queries/day.

Geocoding and Geoparsing via API or CSV Upload. 10k free queries/month.

Highly available REST/JSON/JSONP IP Geolocation lookup API.

Geocoding API with language correction and more. Worldwide coverage. 2,500 free daily queries

A free developer package is offered for Routing, Route Optimization, Distance Matrix, Geocoding, and Map Matching.

APIs and SDKs for maps and location-aware apps. 250k transactions/month for free.

Free DEVELOPER plan available with 30K requests/month.

Locate and identify Website Visitors by IP Address

Geocoding, reverse geocoding, places, static maps, and vector map tiles APIs. Free tier includes 3,000 geocoding requests/day, 300 reverse g…

Geocoding, Maps, and Routing APIs. Five thousand requests/day for free.

Maps, geospatial services and SDKs for displaying map data.

Free map tiles and tile hosting.

Vector maps, map services and SDKs for map visualization. Free vector tiles with weekly updates and four map styles.

OpenStreetMap's free geocoding service, providing global address search functionality and reverse geocoding capabilities.

Geocoding API aggregating OpenStreetMap and other open geo sources. Two thousand five hundred free queries/day.

Geocoding, search results ranked by the popularity of related Wikipedia page.

Free geocoding for global places and coordinates. 25,000 Requests per month for personal use.

Map tiles, routing, navigation, and other geospatial APIs. Two thousand five hundred free map views and API requests/day for non-commercial…

Package build service for multiple distros (SUSE, EL, Fedora, Debian, etc.).

Mock-based RPM build service for Fedora and EL.

Ubuntu and Debian build service.

Android Studio provides the fastest tools for building apps on every type of Android device. Open Source IDE is free for everyone and the be…

An Open Source IDE to develop real, Gradle-based Android applications on Android devices.

Development Environment, Tooling Platform and Application Framework.

Collaborative design API with instant API mock and generated documentation (Free for unlimited API blueprints and unlimited users with one a…

BBEdit is a popular and extensible editor for macOS. Free Mode provides a powerful core feature set and an upgrade path to advanced features…

Turn a Git repo into a collection of interactive notebooks. It is a free public service.

A free Java Development Environment designed for beginners, used by millions worldwide. Powered by Oracle & simple GUI to help beginners.

Brackets is an open-source text editor specifically designed for web development. It is lightweight, easy to use, and highly customizable.

Code snippet organizer with labels and support for 100+ programming languages.

Collaborative calculation in the cloud. Browser access to full Ubuntu with built-in collaboration and lots of free software for mathematics,…

Free Fortran & C/C++ IDE. Open Source and runs on Windows,macOS & Linux.

Free browser IDE and playgrounds for 15+ languages plus Postgres, MySQL, MongoDB, and Redis. Shareable snippets, coding interviews, and clou…

Coding Assistant that lets you search, define, and reuse code snippets directly in your IDE. Free for individual and small organizations.

Code components in isolation, visualize them in stories, test them, and publish them on npm.

Web-based and Kubernetes-Native IDE for Developer Teams with multi-language support. Open Source and community-driven. An online instance ho…

AI-enabled pair programmer for Claude, GPT4 Series, Grok, Deepseek, Gemini and all frontier models. Works natively with your CLI and integra…

Instant free Linux and IDEs chrome sidebar. The free tier includes 5 VMs per day.

Online compiler and editor for more than 60 programming languages with a free plan for REST API code compiling up to 200 credits per day.

Productivity tools, IDEs and deploy tools (aka IntelliJ IDEA, PyCharm, etc). Free license for students, teachers, Open Source and user group…

Some REST API endpoints that return some fake data in JSON format. The source code is also available if you would like to run the server loc…

Lazarus is a Delphi-compatible cross-platform IDE for Rapid Application Development.

A free AI-powered cloud-based IDE.

Tiny API mocking microservice for generating fake JSON data.

Mockaroo lets you generate realistic test data in CSV, JSON, SQL, and Excel formats. You can also create mocks for back-end API.

an HTTP-based mock API simulator that helps simulate APIs for faster parallel development and more comprehensive testing, with a lifetime fr…

Free online compiler supporting 70+ languages including Java, Python, C++, JavaScript.

A free online ide thats supports 40+ languages and is pre installed with tons of libraries; and also has a debugging option, flags, tutorial…

a free opensource browser-based coding environment for front-end developers. write html, css and js with a vs code-grade editor (monaco), li…

Develop Web apps in Browser without needing to set up anything. Free Plan offers one server with 24 24-hour lifetime and 4 hours of running…

Online development environment for PHP

A cloud coding environment for various program languages.

GPU-accelerated numerical computing IDE in the browser. Write and run MATLAB-syntax .m files with automatic GPU acceleration via WebAssembly…

A cloud programming playground well-suited for running code snippets. Supports various programming languages. No registration is required fo…

Online/Cloud Code IDE to create, edit, & deploy full-stack apps. Support any popular NodeJs-based frontend & backend frameworks. Shortlink t…

Sublime Text is a popular, versatile, and highly customizable text editor used for coding and text editing tasks.

Code editor redefined and optimized for building and debugging modern web and cloud applications. Developed by Microsoft.

Fully-featured IDE with thousands of extensions, cross-platform app development (Microsoft extensions available for download for iOS and And…

Community-driven, without telemetry/tracking, and freely-licensed binary distribution of Microsoft’s editor VSCode

Quantified self-metrics about your coding activity using text editor plugins, limited plan for free.

Wave is an open-source, cross-platform terminal for seamless workflows. Render anything inline. Save sessions and history. Powered by open w…

1 million monthly events, up to 2 apps

AppFit is a comprehensive analytics and product management tool designed to facilitate seamless, cross-platform management of analytics and…

Open Source, Privacy-Friendly, and Simple Analytics for Mobile and Desktop Apps. SDKs for Swift, Kotlin, React Native, Flutter, Electron, an…

Simplified analytics release workflow. Single-source-of-truth tracking plan, type-safe analytics tracking library, in-app debuggers, and dat…

Beampipe is simple, privacy-focussed web analytics. free for up to 5 domains & 10k monthly page views.

Reverse ETL & Operational Analytics Platform. Sync 10 fields from your data warehouse to 60+ SaaS like Salesforce, Zendesk, or Amplitude.

Website Analytics Platform. Free Plan for one website with 3000 views analytics.

Web analytics made simple and therefore privacy friendly. Free or pay what you want by donation.

Secure document sharing with document tracking and engagement Analytics. Free plan supports up to 20 PDF documents (10 MB max), 10 contacts,…

Data Cloud Observability Solution (Snowflake). Free for personal use.

Expense reporting, free personal reporting approval workflow

Privacy-focused, cookie-free analytics, free for up to 3k events/month.

Simple analytics for people managing lots of sites. Install manually or let Claude/Cursor do it for you. Free for up to 10k events/month.

GoatCounter is an open-source web analytics platform available as a hosted service (free for non-commercial use) or self-hosted app. It aims…

Google Analytics

Automatically captures every user action in iOS or web apps. Free for up to 10K monthly sessions.

Hightouch is a Reverse ETL platform that helps you sync customer data from your data warehouse to your CRM, marketing, and support tools. Th…

Privacy-focused, open-source web and product analytics platform with a free cloud plan for 3 websites, 3 team members, 60-day data retention…

Website Analytics and Reports . Free Plan allows 2000 pageviews/day. One hundred snapshots/day (max capacity: 300). Three snapshot heatmaps…

Full unified web and product analytics platform, including embeddable analytics widgets and automated robots (slack, telegram, and webhooks)…

100,000 monthly tracked users, unlimited data history and seats, US or EU data residency

API analytics for REST and GraphQL. (Free up to 500,000 API calls/mo)

Full Product Analytics suite free for up to 1m tracked events per month. Also provides unlimited in-App Surveys with 250/month responses.

Beautiful dashboard for tracking GitHub repo traffic history longer than 14 days. Free Plan allows users to monitor traffic for a single rep…

Blazingly fast, connected spreadsheet. Connect directly to data databases, S3, and APIs. Import, analyze, graph, and share millions of rows…

Open-source and cookieless alternative to Google Analytics that is 10x more intuitive. Free plans has 3,000 monthly events.

Seline is a simple & private website and product analytics. Cookieless, lightweight, independent. Free plan includes 3,000 events per month…

Website Viewer Analytics. Free plan for analytics of 500 most recent visitors.

All-in-one platform spanning across analytics, feature flagging, and A/B testing. Free for up to 1m metered events per month.

AI Analytics for E-commerce. Ask questions in natural language about your analytics, get actionable recommendations and grow your revenue wi…

Automatically detect digital analytics, marketing data and pixels issues, maintain up-to-date tracking plans, and foster seamless collaborat…

Free lightweight privacy-focused alternative to Google Analytics. Unlimited pageviews, unlimited visitor, unlimited page heatmaps & goal tra…

Simple, fast, privacy-focused, open-source alternative to Google Analytics.

Test designs and mockups on real people and track visitors. Free for one user, unlimited tests

1,000 sessions/month with one month data retention and three user seats. More information here.

Track user interaction, engagement, and event. Free for up to 5,000 visits/month

2,500 sessions/month free for one website

1,000 sessions/month with 30-day retention, error tracking, live mode

Session recording completely free with "no traffic limits", no project limits, and no sampling

500 sessions/month free for one website

Open-source session replay with dev tools for bug reproduction, live session for real-time support, and product analytics suite. One thousan…

Per site: 1,000 pages views/day, three heatmaps, three widgets, free bug tracking

free packages for web and mobile apps (1500 sessions/month), three heatmaps, one funnel, 1-month data history

Record and watch how visitors use your website or app. Free unlimited time for small projects

Global phone number validation and lookup JSON API. 100 API requests/month

Global phone number verification in a free, fast, reliable JSON API. 1000 requests/month

One-stop solution with open-source SDK for mobile in-app subscription integration to iOS, Android, React Native, Flutter, Unity, or web app.…

Real-time mid-market exchange rates for 150+ currencies with official JavaScript, Python, and PHP SDKs. Free tier includes 300 requests/mont…

Real-time crypto and prediction market data API for pricing, charts, transactions, wallet balances, and trending data. The free tier offers…