Discover Amazing 🛠️ Open Source Tools

Explore our curated collection of the best free open source tools for developers. Find everything you need to build, test, and ship your projects.

Tools: 1089
Categories: 52
GitHub Stars: 27.1M
Contributors: 40.3k

17.4k

React Bits

A comprehensive collection of React patterns, techniques, tips, and tricks to improve your React applications.

18.1k

A production-ready, fullstack mail server solution featuring SMTP, IMAP, LDAP, Antispam, and Antivirus functionalities, all running seamlessly inside a container. Designed for simplicity and ease of setup with robust security and reliability.

DevOps Self-Hosted Tools

2.8k

Amurex

Amurex is the world's first AI meeting copilot, acting as an invisible companion for both work and life, enhancing productivity.

AI Productivity Web Browser Extension

5.2k

Cheating-daddy

Cheating-Daddy is a free and open-source application designed to provide users with tools to gain a competitive edge in various games or applications.

Tools Utils Development

7.8k

Modelcontextprotocol

Specification and comprehensive documentation for the Model Context Protocol, a standard for managing AI model contextual data efficiently.

AI Data Science Documentation

15.0k

Faker

Faker is a modern library for generating large volumes of fake data for use in testing, development, and demo environments, supporting both browser and Node.js applications.

Development Testing JavaScript Node.js

32.3k

SWR

A set of React Hooks for data fetching, aiming for high performance and efficiency.

Development React Utils

47.9k

Type-challenges

A collection of TypeScript type challenges with an online judge to test and improve your type manipulation skills.

Development TypeScript Learning & Career Tools

16.1k

Plate

Plate is a rich-text editor powered by AI, providing a feature-rich text editing experience.

Development AI Tools Web

17.0k

Type Fest

A collection of essential TypeScript types that aid in static type checking and code quality enhancement.

Development TypeScript Code Quality

69.8k

Act

Run your GitHub Actions locally 🚀. Act makes it easy to test and debug your GitHub Actions workflows by simulating the GitHub environment locally.

Development DevOps Tools

23.6k

Simdjson

simdjson is a high-performance JSON parser capable of parsing gigabytes of JSON per second. It is utilized by major projects such as Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, and StarRocks.

Development Utils Performance

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36.1k

Lerna

Lerna is a fast, modern build system for efficiently managing and publishing multiple JavaScript/TypeScript packages from a single repository.

Development Version Control JavaScript TypeScript

13.4k

React-Toastify

React notification made easy with extensive customization options, ensuring seamless integration and a better user experience.

Development React Tools

15.2k

AG Grid

AG Grid is the best JavaScript data table for building Enterprise Applications with support for React, Angular, Vue, and plain JavaScript.

Development JavaScript Tools Framework

25.1k

Onlook

Onlook is an open source design tool that allows designers to work directly in live React applications, seamlessly integrating design changes into the code.

Design Development React Tools

34.8k

Directus

The flexible backend for all your projects 🐰 Turn your database into a headless CMS, admin panels, or applications with a custom UI, instant APIs, authentication, and more.

CMS API Development

30.3k

Qdrant

Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud.

Database Development AI DevOps

43.7k

Milvus

A high-performance, cloud-native vector database designed for scalable and efficient vector Approximate Nearest Neighbor (ANN) search.

Database AI Data Science

12.3k

Stalwart

Stalwart is an all-in-one mail and collaboration server designed to be secure, scalable, and highly compatible with a wide range of protocols including IMAP, JMAP, SMTP, CalDAV, CardDAV, and WebDAV. It provides enterprise-class communication and groupware functionality in a single unified solution.

E-Commerce DevOps Productivity Self-Hosted

11.4k

Streamlink

Streamlink is a command-line utility that allows you to extract video streams from popular streaming services and pipe them directly into a video player of your choice. It is widely used for watching live or on-demand content outside a browser.

CLI Tools Web

30.2k

Turborepo

A build system optimized for JavaScript and TypeScript projects, utilizing advanced techniques for fast and efficient builds. Written in Rust for performance and reliability.

Development DevOps JavaScript TypeScript

17.6k

Verdaccio

Verdaccio is a lightweight Node.js private proxy registry that helps you manage and cache NPM packages.

CLI Development DevOps Node.js

1.5k

Uniwind

From the creators of Unistyles: The fastest and most seamless Tailwind CSS bindings for React Native, enabling rapid, utility-centric component styling in mobile apps.

Styling React Native Development