CrewAI

A framework for building stateful, multi-step AI agent workflows as graphs of nodes and edges.

An open-source framework from Microsoft for building AI agents and multi-agent systems that collaborate through conversations, tools, and automated workflows.

An open-source framework for building, simulating, and orchestrating collaborative AI agents that communicate and solve tasks together.

An open-source framework for building modular AI applications using reusable, composable agents with strongly typed inputs, outputs, and workflows.

A lightweight Hugging Face library designed for building AI agents using simple Python functions and minimal abstractions.