Browse free open source AI Agent Frameworks and projects for Windows below. Use the toggles on the left to filter open source AI Agent Frameworks by OS, license, language, programming language, and project status.
Free and source-available fair-code licensed workflow automation tool
The all-in-one Desktop & Docker AI application with full RAG and AI
A GUI Agent app based on UI-TARS to control your computer using AI
Desktop app for prototyping and debugging LangGraph applications
One API for plugins and datasets, one interface for prompt engineering
Agent Zero AI framework
AI coding agent that's more than suggestions - install, execute, edit+
AI agent stdlib that works with any LLM and TypeScript AI SDK
Agent S: an open agentic framework that uses computers like a human
Drag & drop UI to build your customized LLM flow
Build resilient language agents as graphs
Framework for orchestrating role-playing, autonomous AI agents
The Multi-Agent Framework
An open phone agent model & framework
Powerful tool that lets you create and run intelligent agents
An AI agent development platform with all-in-one visual tools
Harness LLMs with Multi-Agent Programming
Deploy reasoning AI agents powered by agentic graph RAG in minutes
Koog is the official Kotlin framework for building AI agents
No fortress, purely open ground. OpenManus is Coming
Open Source TypeScript AI Agent Framework
Make websites accessible for AI agents
A lightweight, powerful framework for multi-agent workflows
A lightweight, powerful framework for multi-agent workflows
Open-source autonomous AI software engineer