Trending Open Source AI Projects

Ranked by GitHub star change since this site's latest sync — spot what's accelerating.

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Rank Project Stars Star Change
1 archify

Agent skill for beautiful, verifiable architecture, workflow, sequence, data-flow, and lifecycle diagrams—self-contained HTML with motion and crisp export.

30.2K +1.3K
2 deepseek-harness

DeepSeek Harness: Everything is a Plugin.

203.3K +402
3 scientific-agent-skills

Turn any AI agent into an AI Scientist with 158 ready-to-use skills and 100+ scientific databases for biology, chemistry, medicine, and drug discovery.

37.9K +342
4 OpenMAIC

Open Multi-Agent Interactive Classroom — Get an immersive, multi-agent learning experience in just one click

22.2K +255
5 ponytail

Makes your AI agent think like the laziest senior dev in the room. The best code is the code you never wrote.

116.4K +250
6 tensorflow

An Open Source Machine Learning Framework for Everyone

198.0K +243
7 skills

Skills for Real Engineers. Straight from my .agents directory.

241.0K +238
8 OpenMontage

World's first open-source, agentic video production system. 12 production pipelines, 100+ tools, 700+ agent skill and production-knowledge files. Turn your AI coding assistant into a full video production studio.

54.0K +221
9 codex-chatgpt-web

Use ChatGPT Web (including Pro) as a native model in the Codex app — with context, tools, streaming and images beyond Codex usage limits.

2.3K +207
10 awesome-gpt-image-2

Prompt as Code | GPT-Image2 industrial-grade prompt engine & template library: 530+ reverse-engineered cases, 20+ templates, extracted Skills, continuously updated.

25.0K +206
11 OmniRoute

Open-source AI gateway: one endpoint, 290+ providers (90+ free), 500+ models, auto-fallback, token compression, MCP/A2A, works with Claude Code, Codex, Cursor, Cline, Copilot.

58.1K +167
12 open-seo

Open source alternative to Semrush and Ahrefs

14.5K +162
13 firecrawl

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

174.0K +157
14 orca

Orca is the ADE for working with a fleet of parallel agents. Run any coding agent with your own subscription. Available on desktop, mobile and VPS.

56.8K +150
15 ai-agent-book

Open-source main repository for 'Deep Understanding of AI Agent: Design Principles and Engineering Practice' (Li Bojie): full text, compiled PDF, and chapter-wise code.

43.4K +147
16 freellmapi

7.4 billion tokens per month. 34 free LLM providers. 635 free model endpoints. All behind one /v1 endpoint, plus any custom OpenAI-compatible endpoint. Smart routing, automatic failover, encrypted keys. Personal experimentation only.

22.2K +138
17 ui-ux-pro-max-skill

An AI skill that provides design intelligence for building professional UI/UX across multiple platforms.

122.9K +125
18 claude-plugins-official

Official, Anthropic-managed directory of high quality Claude Code Plugins.

35.4K +123
19 ai-job-search

The job search that runs on your machine. AI job application framework built on Claude Code: evaluate postings, tailor CVs, write cover letters, prep interviews. Fork it and own it.

38.1K +115
20 ECC

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

244.2K +113
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