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AI for agent orchestration

Coordinate multi-step agents with tools and memory.

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1LangChain

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

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2CrewAI

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

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3AutoGen

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

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4Semantic Kernel

Microsoft's open-source SDK for AI orchestration — plugins, agents, and LLM integration for C#, Python, and Java

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5Vercel AI SDK

TypeScript AI SDK for React and Node — streaming, tool use, and multi-provider LLM integration with 1M+ npm downloads/week

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