Midscene.js

AutoGen

Open source

Microsoft multi-agent framework

Open-source framework for multi-agent conversations and task automation.

CrewAI

Open source

Multi-agent collaboration framework

Organizes multiple AI agents with roles and tasks for complex workflows.

LangChain

Open source

LLM application framework

Popular framework for RAG, agents, tool calling and LLM workflows.

LlamaIndex

Open source

Data-to-LLM RAG framework

Connects documents, databases and APIs to build retrieval-augmented generation apps.