Browse free open source Python AI Agent Frameworks and projects below. Use the toggles on the left to filter open source Python AI Agent Frameworks by OS, license, language, programming language, and project status.
Open-source autonomous AI software engineer
Open-source AI agent framework
Deep Research framework, combining language models with tools
Composio equip's your AI agents & LLMs
Make websites accessible for AI agents
Powerful tool that lets you create and run intelligent agents
Framework for orchestrating role-playing, autonomous AI agents
Agentic IM Chatbot infrastructure
Your agent in your terminal, equipped with local tools
Framework for building and orchestrating multi-agent AI systems
Agent S: an open agentic framework that uses computers like a human
Conversational voice AI agents
Build resilient language agents as graphs
agentUniverse is a LLM multi-agent framework
AI Agent Application Development Framework
Building AI agents, atomically
Finding the Scaling Law of Agents. A multi-agent framework
Haystack is an open source NLP framework to interact with your data
The Multi-Agent Framework
Flexible and powerful framework for managing multiple AI agents
A lightweight, powerful framework for multi-agent workflows
Deterministic LLMs Outputs for AI Applications and AI Agents
Building a Secure and Interoperable Future for AI-Driven Payments
Build and run agents you can see, understand and trust
DSPy: The framework for programming—not prompting—language models