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Open Source Software Directory

Discover self-hostable and developer-friendly software with rich filters for category, tags, features, and technical stack.

system-design-primer

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

352.3K stars open source
Productivity Developer Tools

ECC

The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

211.3K stars open source
AI Tools AI Agents Developer Tools

tensorflow

An Open Source Machine Learning Framework for Everyone

195.6K stars open source
ML Frameworks

hermes-agent

The agent that grows with you

188.1K stars open source
AI Tools AI & Machine Learning AI Agents

AutoGPT

AutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus on what matters.

184.9K stars open source
AI & Machine Learning AI Agents

Ollama

Get up and running with Llama 3.3, DeepSeek-R1, Phi-4, Gemma 3, and other large language models.

173.7K stars open source
LLM Tools & Chat UIs

prompts.chat

f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.

163.5K stars open source
Web Development Knowledge Bases & RAG

transformers

🤗 Transformers: the model-definition framework for state-of-the-art machine learning models in text, vision, audio, and multimodal models, for both inference and training.

161.4K stars open source
AI & Machine Learning ML Frameworks

JavaGuide

Java 面试 & 后端通用面试指南,覆盖计算机基础、数据库、分布式、高并发、系统设计与 AI 应用开发

156.3K stars open source
Education & Learning Developer Tools

markitdown

Python tool for converting files and office documents to Markdown.

148.9K stars open source
AI Tools Developer Tools Utilities & System

Dify.ai

Build, test and deploy LLM applications.

144.6K stars open source
AI Agents Low-Code & No-Code Dev

Open-WebUI

User-friendly AI Interface, supports Ollama, OpenAI API.

140.8K stars open source
LLM Tools & Chat UIs

next.js

The React Framework

139.9K stars open source
Frontend Templates Web Development

firecrawl

The API to search, scrape, and interact with the web at scale. 🔥

130.5K stars open source
AI & Machine Learning Browser Automation

rustdesk

An open-source remote desktop application designed for self-hosting, as an alternative to TeamViewer.

115.9K stars open source
Tunnel & Remote Access Communication

awesome-llm-apps

100+ AI Agent & RAG apps you can actually run — clone, customize, ship.

114K stars open source
AI Agents Knowledge Bases & RAG

d3

Bring data to life with SVG, Canvas and HTML. :bar_chart::chart_with_upwards_trend::tada:

113K stars open source
Data Visualisation

yt-dlp/yt-dlp

A feature-rich command-line audio/video downloader

111.5K stars open source
Media Utilities & System

nodebestpractices

:white_check_mark: The Node.js best practices list (July 2024)

105.3K stars open source
Documentation Code Quality & Linting