Awesome AI Agent Stack

A curated, layer-by-layer map of open-source tools for building AI agents, from the coding agent in your terminal down to the model serving the tokens.

Categories

• Coding Agents & Harnesses (173 tools) - The agent that writes the code. Pick one, learn it deeply.
• Skills, Plugins & Context Engineering (187 tools) - What you put in front of the agent matters more than which agent. Skills, CLAUDE.md files, methodology.
• Agent Frameworks & Orchestration (149 tools) - Build your own agents and multi-agent systems.
• Memory & Persistent Context (104 tools) - Agents forget between sessions unless you give them somewhere to remember.
• RAG & Retrieval (138 tools) - Vector databases, search engines, embeddings and the frameworks that ground answers in your own data.
• MCP Servers & Tool Integration (125 tools) - The Model Context Protocol is the USB-C of agent tooling.
• Sandboxes, Browsers & Computer Use (117 tools) - Isolated places to run agent-written code, and the browsers and scrapers agents drive.
• Document Processing & Data Ingestion (102 tools) - Getting real-world files into a form agents can use.
• Workflow Automation (109 tools) - No-code and code-first automation with AI steps — the glue between your agents and everything else.
• Model Gateways & Routing (183 tools) - One endpoint, many providers, automatic fallback.
• Free LLM APIs & Free Tiers (87 tools) - Build and learn without a credit card.
• Local Models, Inference & Hardware (170 tools) - Run, fine-tune and quantize open models on your own hardware.
• Evaluation, Observability & Code Review (181 tools) - Trace, test and red-team agents, and review the code they write.
• Production Architectures & Reference Systems (68 tools) - Complete, opinionated systems worth reading end to end.
• UI & Application Layer (73 tools) - Frontends, chat components, and app frameworks for putting agents in front of users.
• Learning Path (116 tools) - Ordered roughly from beginner to advanced.
• Voice, Speech & Audio (122 tools) - Speech-to-text, text-to-speech and voice agents.
• Vision & Multimodal (76 tools) - Image/video understanding and vision-language models.
• Image, Video & Creative Generation (115 tools) - Diffusion, image and video generation tooling.
• Computer Use & GUI Agents (118 tools) - Agents that operate desktops, phones and apps.
• Structured Output, Guardrails & Safety (56 tools) - Validation, constrained decoding, jailbreak and injection defense.
• Chat UIs & Application Layer (68 tools) - Front-ends, chat interfaces and app scaffolds.
• Deployment, Serving & MLOps (94 tools) - Ship and operate models and agents in production.
• Data, Datasets & Synthetic Data (84 tools) - Data curation, labeling, synthetic generation and datasets.
• Domain Agents: Finance, Healthcare, Research & More (69 tools) - Vertical agents and assistants for specific industries.
• Assistants, Copilots & Personal Agents (59 tools) - General-purpose assistants you run yourself.
• Interpretability, Alignment & Research (57 tools) - Understanding and steering model behaviour.
• Developer Tools & Utilities (63 tools) - Useful things that don't fit a layer.
• Other Awesome Lists (74 tools) - Sibling lists worth mining when you need to go deeper on a niche.

Most-starred tools

1. sindresorhus/awesome - The root awesome list; the index every curated list descends from.
2. public-apis/public-apis - The classic list of free public APIs.
3. freeCodeCamp/freeCodeCamp - Full free coding curriculum from HTML to ML.
4. openclaw/openclaw - Cross-platform agent that operates the OS, not just the editor.
5. donnemartin/system-design-primer - Learn large-scale system design with examples.
6. nilbuild/developer-roadmap - Roadmaps for developers learning any stack.
7. jwasham/coding-interview-university - Self-study plan for coding interviews.
8. vinta/awesome-python - Curated Python frameworks, libraries and resources.
9. obra/superpowers - Agentic skills framework and development methodology (brainstorm → plan → TDD → review).
10. mattpocock/skills - Matt Pocock's engineering skills from his own agents directory.
11. affaan-m/ECC - Harness performance-optimization system: skills, instincts, evals.
12. NousResearch/hermes-agent - Self-improving general-purpose agent with a large skills ecosystem.
13. react/react - The library for web and native user interfaces.
14. deepseek-ai/deepseek-harness - Plugin-first agent harness from DeepSeek.
15. multica-ai/andrej-karpathy-skills - A single `CLAUDE.md` distilled from Karpathy's guidance.
16. anomalyco/opencode - Open-source, provider-agnostic coding agent with a polished TUI.
17. ossu/computer-science - Complete CS degree path using free online courses.
18. n8n-io/n8n - Fair-code workflow automation with native AI agent nodes.
19. DigitalPlatDev/FreeDomain - Free domain registration and DNS learning.
20. tensorflow/tensorflow - Google's open-source machine learning framework.
21. trekhleb/javascript-algorithms - Algorithms and data structures in JavaScript.
22. yt-dlp/yt-dlp - Download videos from YouTube and 1000+ sites.
23. firecrawl/firecrawl - Crawl and scrape any site into LLM-ready Markdown.
24. microsoft/markitdown - Convert Office files, PDFs and more to Markdown.
25. Significant-Gravitas/AutoGPT - The project that started the autonomous-agent wave; now a platform for building agents.
26. avelino/awesome-go - Curated Go frameworks, libraries and software.
27. ollama/ollama - Run models locally with one command; the default for development.
28. anthropics/skills - Anthropic's official Agent Skills repo; the reference implementation of the Agent Skills standard.
29. f/prompts.chat - f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free.
30. huggingface/transformers - The model library; everything starts here.