Browse free open source AI Agent Frameworks and projects for BSD below. Use the toggles on the left to filter open source AI Agent Frameworks by OS, license, language, programming language, and project status.
Open-source AI agent framework
Build and run AI agents like microservices
A lightweight, powerful framework for multi-agent workflows
Framework for building and orchestrating multi-agent AI systems
The TypeScript AI agent framework
🤖 Assemble, configure & deploy autonomous AI Agents in your browser
An Open-Source Programming Framework for Agentic AI
Open Source TypeScript AI Agent Framework
Agent-Oriented Programming for Building LLM Applications
Interaction model for connecting buyers to complete purchases
In-App assistant SDK to build a multimodal conversational UX websites
AutoAgent: Fully-Automated and Zero-Code LLM Agent Framework
Build applications that make decisions. Chatbots, agents, simulations
A framework-agnostic, git-native standard for defining AI agents
A universal git-native AI agent framework
The NVIDIA AgentIQ toolkit is an open-source library
Optimized Workforce Learning for General Multi-Agent Assistance
When LLM Meets Domain Experts
Python framework for building scalable multi-agent systems
A dev-first open source autonomous AI agent framework
SwarmZero's SDK for building AI agents, swarms of agents and much more
The official Python SDK for UCP
The common language for platforms, agents and businesses.
The Framework for Building Agents
Kubernetes native framework for building AI agents