Best open-source autonomous agents
The open-source autonomous agents in the index — self-hostable, inspectable, and free to run. Ranked by real maintained adoption (GitHub stars and recent commit activity), never by sponsorship. Open source buys you control, privacy, and no vendor lock-in; the trade-off is that you host and maintain it yourself.
01AutoGPTAutoGPT is the vision of accessible AI for everyone, to use and to build on. Our mission is to provide the tools, so that you can focus on…02browser-useMake websites accessible for AI agents. Automate tasks online with ease.03ragflowRAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with Agent capabilities to create…04deer-flowAn open-source long-horizon SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skill, sub…05anything-llmStop renting your intelligence. Own it with AnythingLLM. Everything you need for a powerful local-first agent experience06goosean open source, extensible AI agent that goes beyond code suggestions - install, execute, edit, and test with any LLM07CowAgentOpen-source super AI assistant & Agent Harness. Plans tasks, runs tools and skills, self-evolves with memory and knowledge. Multi-model, mu…08nanobotLightweight, open-source AI agent for your tools, chats, and workflows.09agnoBuild, run, and manage agent platforms.10wshobson/agentsMulti-harness agentic plugin marketplace for Claude Code, Codex CLI, Cursor, OpenCode, GitHub Copilot, and Gemini CLI11agenticSeekFully Local Manus AI. No APIs, No $200 monthly bills. Enjoy an autonomous agent that thinks, browses the web, and code for the sole cost of…12pentagiFully autonomous AI Agents system capable of performing complex penetration testing tasks
13eigentEigent: The Open Source Cowork Desktop to Unlock Your Exceptional Productivity. Local and Free Alternative to Claude Cowork.14LobsterAIOpen-source, desktop-grade AI agent that gets real work done — data analysis, slides, docs, video & web research. Built on OpenClaw; runs t…15moltisA secure persistent personal agent server in Rust. One binary, sandboxed execution, multi-provider LLMs, voice, memory, Telegram, WhatsApp,…16codelFully autonomous AI Agent that can perform complicated tasks and projects using terminal, browser, and editor.17agiThe first distributed AGI system. Thousands of autonomous AI agents collaboratively train models, share experiments via P2P gossip, and pus…18agentic_securityAgentic LLM Vulnerability Scanner / AI red teaming kit19zeroshotYour autonomous engineering team in a CLI. The agent loop produces senior-level code that you can actually trust in prod because of non-neg…
Frequently asked
- What are the best open-source autonomous agents?
- The projects listed below, ranked by maintained adoption — GitHub stars plus recent activity — so you see what's genuinely used and still maintained, not abandoned.
- Are open-source autonomous agents free?
- The software is free to run and self-host. You still pay for the infrastructure you run it on and any model or API usage it makes.
- Open-source or commercial autonomous agents — which should I choose?
- Pick open source for control, privacy, and no lock-in when you're happy to host and maintain it; pick a commercial product for a managed, supported experience. You can compare both in the full autonomous agents category.