Best open-source AI agents

Self-hostable, customizable, community-built agents — full control over your data and stack.

Developers who live in the terminal and want local, open-source AI coding.

Tinkerers and developers exploring autonomous agents.

Developers building web-automation and scraping agents.

Developers building custom multi-agent systems with full control.

FlowiseAI

Developers who want visual building without losing flexibility.

Nous Research

Developers and researchers who want a cutting-edge, self-improving open-source agent.

LangChain

Developers building production agents needing fine control.

Developers and technical teams who want automation with data control and self-hosting.

Tinkerers and developers who want a free, self-hosted, endlessly extensible agent across messaging apps.

All Hands AI

Developers wanting an open, self-hosted alternative to Devin.