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

21.5k

Thingsboard

Open-source IoT Platform for comprehensive device management, data collection, processing, and visualization.

Data Science Visualization DevOps

2.3k

Schedule-x

A modern JavaScript event calendar, serving as an alternative to fullcalendar and react-big-calendar.

Development JavaScript Tools

3.1k

Zipline

Zipline is a feature-rich ShareX/file upload server that is easy to use and offers straightforward setup, making file sharing seamless and efficient.

Web Self-Hosted Productivity Tools

8.1k

droidrun enables automation of mobile devices using natural language commands and is agnostic to the underlying LLM, positioning itself as a powerful mobile agent for personal and advanced automation workflows.

AI Mobile Productivity Tools

1.9k

SerpBear

SerpBear is a Search Engine Position Rank Tracking App that helps you monitor and track search engine rankings over time.

Analytics Tools Monitoring Web

6.7k

Didact

A comprehensive DIY guide to building your own React from scratch.

Development Framework JavaScript Learning & Career

13.5k

Zitadel

ZITADEL is a modern identity infrastructure that simplifies authentication and authorization for developers, providing advanced features like multi-factor authentication and single sign-on.

Authentication Security API Tools

4.9k

Vibesdk

vibesdk is an open-source platform built on the Cloudflare stack that enables users to create custom vibe-coding environments and collaborative coding platforms.

Development Framework Web

18.0k

Emotion

👩‍🎤 CSS-in-JS library designed for high performance style composition, offering powerful and flexible style manipulation capabilities.

Styling JavaScript Development

25.3k

Homebridge

HomeKit support for the impatient, enabling integration of non-HomeKit-enabled accessories into the HomeKit ecosystem effortlessly.

Development Self-Hosted Tools

19.5k

Listmonk

listmonk is a high performance, self-hosted newsletter and mailing list manager featuring a modern dashboard. It is delivered as a single binary application and supports fast bulk email delivery, advanced audience segmentation, templated campaigns, detailed analytics, and easy integration.

E-Commerce Self-Hosted Analytics Web

18.2k

Etherpad-Lite

A modern really-real-time collaborative document editor for seamless collaboration and productivity.

Productivity Web Tools

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4.1k

Esm.sh

esm.sh is a fast, no-build JavaScript CDN that allows developers to efficiently import NPM packages as ES modules directly in the browser for modern web development workflows.

Development Web JavaScript Tools

21.4k

Matomo

Empowering people ethically, Matomo is the leading open-source alternative to Google Analytics. It offers complete control, built-in privacy, and the ability to collect, visualize, and analyze data from websites and apps.

Analytics Self-Hosted Tools

1.5k

Modern-errors

A tool to handle errors in a simple, stable, consistent way, designed for modern JavaScript environments.

Development JavaScript Utils

5.2k

Ofetch

A better Fetch API implementation that works seamlessly on Node.js, browsers, and web workers.

Development Utils API JavaScript

7.7k

Bases

Hosts TypeScript configuration files designed to be extended in a TypeScript application, tailored to specific runtime environments.

Development TypeScript

4.9k

Argilla

Argilla is a collaborative platform designed for AI engineers and domain experts to efficiently create, curate, and manage high-quality datasets for AI and machine learning projects.

AI Data Science Productivity Tools

1.4k

Docling-serve

A service to run Docling as an API, enabling programmatic interaction and integration with the Docling platform.

API Tools

10.9k

React Hot Toast

A lightweight, customizable toast notification library for React applications.

React Development Component Libraries

7.0k

Supercookie

Browser fingerprinting via favicon to identify and track users even in incognito mode or after clearing cookies. Demonstrates advanced tracking techniques in browsers posing privacy implications.

Security Web Browser Extension Analytics

6.0k

Openai-cs-agents-demo

A demo showcasing a customer service use case implemented using the OpenAI Agents SDK, demonstrating how AI agents can automate and enhance customer support tasks.

AI Web Tools

25.6k

Driver.js

A lightweight, dependency-free JavaScript library for guiding user focus by highlighting elements on the page.

JavaScript Utils Productivity Web

1.4k

Bruteforce-lists

A collection of files designed for effective and efficient brute force attacks targeting various scenarios.

Security Tools DevOps

9.5k

Coss

Coss.com serves as the new holding company for Cal.com, one of the leading open-source scheduling infrastructure platforms. It supports the ongoing development and innovation of open scheduling software, providing foundational solutions for seamless calendar and productivity integrations.

Productivity Development Tools