$ Open source replacements for the software you're paying for.
3442 tools across 10 categories — ranked by real GitHub adoption, with license, language and activity on every entry. No sponsored placements.
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Top 60 by GitHub stars. Every card: license, language, last push.
OpenClaw ★ 390K An AI assistant that acts, not just answers
ECC ★ 266K The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor
react ★ 251K The library for web and native user interfaces.
Hermes Agent ★ 248K Desktop AI agent with persistent memory across platforms
OpenCode ★ 210K AI coding agent for terminal, IDE, and desktop
n8n ★ 206K Visual workflow automation with code flexibility and AI agents
vscode ★ 193K Visual Studio Code
firecrawl ★ 184K 
Ollama ★ 182K Run open-source LLMs locally on your own machine
Dify ★ 157K Build and deploy AI agents and RAG pipelines visually
Langflow ★ 155K Visual builder for AI agents and RAG pipelines
Open WebUI ★ 153K One interface for every AI model you run or connect
langchain ★ 147K The agent engineering platform.
ponytail ★ 145K Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.
next.js ★ 142K The React Framework
ComfyUI ★ 135K The most powerful and modular diffusion model GUI, api and backend with a graph/nodes interface.
Excalidraw ★ 133K Collaborative whiteboard with a hand-drawn aesthetic
llama.cpp ★ 129K Run LLMs locally with minimal setup, maximum hardware support
kubernetes ★ 128K Production-Grade Container Scheduling and Management
RustDesk ★ 124K Self-hosted remote desktop you fully control
graphify ★ 121K Turn any codebase, with its docs, SQL schemas, configs, and PDFs, into a queryable knowledge graph. A /graphify skill for Claude Code, Cursor, Codex, and Gemini
generative-ai-for-beginners ★ 120K 21 Lessons, Get Started Building with Generative AI
Godot ★ 118K Free 2D and 3D game engine for cross-platform projects
Browser Use ★ 116K Let AI agents control any browser, at scale
three.js ★ 116K JavaScript 3D Library.
Immich ★ 115K Self-hosted photo and video backup for your own server
Supabase ★ 111K Postgres-powered backend platform for production apps
frp ★ 110K A fast reverse proxy to help you expose a local server behind a NAT or firewall to the internet.
pi ★ 109K Minimal terminal coding agent you can fully customize
fastapi ★ 103K FastAPI framework, high performance, easy to learn, fast to code, ready for production
Neovim ★ 103K Hyperextensible, Lua-powered Vim-based text editor
ant-design ★ 100K An enterprise-class UI design language and React UI library
open-design ★ 98K 🎨 Best DeepSeek Harness Design Plugin. The open-source Claude Design alternative. 🖥️ Local-first desktop app. 🖼️ Your coding agent becomes the design engine:
playwright ★ 97K Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.
puppeteer ★ 96K JavaScript API for Chrome and Firefox
claude-mem ★ 95K Persistent Context Across Sessions for Every Agent – Captures everything your agent does during sessions, compresses it with AI, and injects relevant context b
manim ★ 94K Animation engine for explanatory math videos
vllm ★ 93K A high-throughput and memory-efficient inference and serving engine for LLMs
LocalSend ★ 93K Share files securely across all devices without servers
Uptime Kuma ★ 92K Self-hosted uptime monitoring with a clean dashboard
ragflow ★ 91K RAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create a superior context la
storybook ★ 91K Storybook is the industry standard workshop for building, documenting, and testing UI components in isolation
Home Assistant ★ 91K Local control smart home automation with privacy first
Zed ★ 91K High-performance code editor built for speed and AI
OpenCut ★ 91K Open source video editor that runs in your browser
Mermaid ★ 90K Text-based diagramming that renders in code and docs
PaddleOCR ★ 90K Turn any PDF or image document into structured data for your AI. A powerful, lightweight OCR toolkit that bridges the gap between images/PDFs and LLMs. Supports
hugo ★ 90K The world’s fastest framework for building websites.
OpenHands ★ 89K Autonomous coding agents that complete real engineering tasks
odysseus ★ 88K Self-hosted AI workspace.
worldmonitor ★ 87K Real-time global intelligence dashboard. AI-powered news aggregation, geopolitical monitoring, and infrastructure tracking in a unified situational awareness in
Agent-Reach ★ 85K Give your AI agent eyes to see the entire internet. Read & search Twitter, Reddit, YouTube, GitHub, Bilibili, XiaoHongShu — one CLI, zero API fees.
mall ★ 85K mall项目是一套电商系统，包括前台商城系统及后台管理系统，基于Spring Boot+MyBatis实现，采用Docker容器化部署。 前台商城系统包含首页门户、商品推荐、商品搜索、商品展示、购物车、订单流程、会员中心、客户服务、帮助中心等模块。 后台管理系统包含商品管理、订单管理、会员管理、促销管理、运营管理、内容
Crawl4AI ★ 84K LLM-ready web crawler built for AI data pipelines
Understand-Anything ★ 84K Graphs that teach > graphs that impress. Turn any code into an interactive knowledge graph you can explore, search, and ask questions about. Works with Claude C
Scrapling ★ 83K 🕷️ An adaptive Web Scraping framework that handles everything from a single request to a full-scale crawl! Don't be shy, join here: https://discord.gg/EMgGbDce
vite ★ 83K Next generation frontend tooling. It's fast!
LobeChat ★ 83K Manage, build, and run AI agent teams around the clock
rtk ★ 82K CLI proxy that reduces LLM token consumption by 60-90% on common dev commands. Single Rust binary, zero dependencies
Paperclip ★ 81K Org chart, budgets, and governance for AI agent teams