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
Deep Research framework, combining language models with tools
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
Open-source AI agent framework
Drag & drop UI to build your customized LLM flow
Powerful tool that lets you create and run intelligent agents
Desktop app for prototyping and debugging LangGraph applications
Agent Zero AI framework
Framework for orchestrating role-playing, autonomous AI agents
AI coding agent that's more than suggestions - install, execute, edit+
Haystack is an open source NLP framework to interact with your data
In-App assistant SDK to build a multimodal conversational UX websites
Build in-app AI chatbots, and AI-powered Textareas
Install and run your own AI agent service
An open phone agent model & framework
AI agent stdlib that works with any LLM and TypeScript AI SDK
Build resilient language agents as graphs
Agent framework and applications built upon Qwen>=3.0
One API for plugins and datasets, one interface for prompt engineering
Kheish: A multi-role LLM agent for tasks like code auditing
The Multi-Agent Framework
Open-source autonomous AI software engineer
A framework to enable multimodal models to operate a computer
Deploy reasoning AI agents powered by agentic graph RAG in minutes