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

54.3k

Joplin

Joplin is a privacy-focused note-taking application that supports synchronization and is available on Windows, macOS, Linux, Android, and iOS.

Productivity Security Self-Hosted Desktop

23.5k

strix is an open-source AI-powered toolkit that provides intelligent agents designed specifically for penetration testing. It enables automated security assessments, vulnerability scanning, and threat analysis, enhancing the efficiency and accuracy of security professionals.

Security AI Testing Tools

40.0k

TRPC

🧙‍♀️ Move Fast and Break Nothing. End-to-end typesafe APIs made easy, providing a seamless experience for creating scalable APIs with full TypeScript support.

Development API TypeScript

28.8k

Create T3 App

The best way to start a full-stack, typesafe Next.js app, integrating TypeScript, Tailwind CSS, and Prisma.

Development Framework Tools Starters

4.5k

Books

Books is a free and open-source accounting software designed to help businesses manage their finances efficiently.

E-Commerce Self-Hosted

203.0k

Computer Science

A comprehensive path to a free self-taught education in Computer Science, offering a structured curriculum and resources.

Learning & Career Documentation Development

78.0k

LocalSend

LocalSend is an open-source, cross-platform tool for sending files across devices, serving as an alternative to AirDrop.

Development Tools Productivity

8.2k

Presenterm

A markdown-based terminal slideshow tool that enables you to create and present slides directly in your terminal.

Tools CLI Documentation

105.3k

Tauri

Build smaller, faster, and more secure desktop and mobile applications with a web frontend. Leverage a powerful toolkit for creating optimized and secure applications.

Development Desktop Mobile Web

291.8k

Awesome Python

An opinionated and comprehensive list of awesome Python frameworks, libraries, software, and resources.

Awesome Python Learning & Career Tools

31.1k

Changedetection.io

The best and simplest open-source web page change detection and notification service. Monitor changes to websites, get restock alerts, and price change notifications. Designed for simplicity and free to use.

Monitoring DevOps Web

94.5k

Tailwind CSS

Tailwind CSS is a popular utility-first CSS framework that enables rapid and customizable user interface development through low-level utility classes.

Styling Framework Web

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25.3k

Platform

Huly — All-in-One Project Management Platform offering integrated solutions for project management. It's an alternative to Linear, Jira, Slack, Notion, and Motion, streamlining workflows and improving productivity.

Productivity Tools DevOps

87.1k

Spec-kit

A toolkit designed to simplify and accelerate Spec-Driven Development, helping developers create, manage, and implement specifications efficiently.

Development Tools

137.3k

Dify

A production-ready platform facilitating the development of agentic workflows with robust features and integration capabilities.

Development AI Productivity Tools

103.2k

Llama.cpp

Efficient LLM inference in C/C++ for high-performance computing applications.

AI Development Performance Tools

22.1k

Brave Browser

A secure and fast web browser for Android, iOS, Linux, macOS, and Windows, with privacy features.

Web Security Browser Extension

19.3k

Awesome Shadcn UI

A curated list of awesome resources, tools, and libraries related to the Shadcn UI framework.

Awesome Component Libraries Development

17.9k

Elysia

Elysia is an ergonomic framework designed for developers focusing on ease of use and human-friendly programming.

Framework Development JavaScript

49.5k

Dbeaver

DBeaver is a free, universal database management tool and SQL client that supports a wide range of databases and offers features for database developers, analysts, and database administrators.

Database Development Tools

78.4k

Netdata

An advanced monitoring software providing real-time performance and health monitoring for your infrastructure.

Monitoring DevOps Performance

27.7k

Sim

Sim Studio is an open-source AI agent workflow builder. Sim Studio's interface is a lightweight, intuitive way to quickly build and deploy LLMs that connect with your favorite tools.

Development AI Tools Web

38.0k

Claude-cookbooks

A curated collection of notebooks and practical recipes that demonstrate a variety of effective and creative ways to use the Claude AI model by Anthropic.

AI Learning & Career Documentation

2.3k

Medplum

Medplum is an open source healthcare platform for rapidly building high-quality, compliant healthcare applications with integrated support for FHIR standards, data interoperability, authentication, and secure APIs.

API Development Security Web

22.1k

Lucide

Lucide is a beautiful and consistent icon toolkit made by the community. This open-source project is a fork of Feather Icons, featuring a vast range of icons designed for seamless integration into various applications.

Design Component Libraries Tools