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AI for open source agents

OSS agent frameworks and runners.

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1AutoGen

Microsoft's open-source framework for conversational multi-agent AI systems

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2CrewAI

Python framework for orchestrating role-playing multi-agent AI teams

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3LangChain

Open-source LLM application framework — chains, agents, RAG, and 700+ integrations with 127K GitHub stars

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4Haystack

Open-source LLM framework for RAG and NLP pipelines — production-ready by deepset

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5Smol Developer

Minimal AI developer agent — generate a complete codebase from a product spec in one shot

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6GPT Engineer

Open-source AI that builds codebases from a spec — generate entire projects from one prompt

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7Agent Manager

CLI/TUI for managing AI agent tools — detect, install, and update coding assistants from one interface

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