Self-hostable personal AI 'second brain' for chat, semantic search, custom agents, automations and integration with local or cloud LLMs.

36.7k stars2.4k forksAGPL-3.0last commit Actively maintained

Hebbia is an AI knowledge-work platform that indexes and semantically searches internal documents and data using embeddings and LLMs, enabling teams to analyze content, extract answers, and run research, due diligence and Q&A workflows across enterprise sources.
Self-hostable personal AI 'second brain' for chat, semantic search, custom agents, automations and integration with local or cloud LLMs.

36.7k stars2.4k forksAGPL-3.0last commit Actively maintained
Open-source platform for AI chat, RAG, agents, and enterprise search across your team’s connected knowledge sources, compatible with hosted and local LLMs.

31.8k stars4.4k forkslast commit Actively maintained
Aleph indexes documents and structured datasets to enable fast search, entity extraction, and cross-referencing for investigative research and OSINT workflows.

2.4k stars358 forksMITlast commit Slowing down
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 2 of 3 shipped a commit in the last six months. Licences in this list: AGPL-3.0, MIT. In exchange you take on hosting, backups and updates yourself.
Browse everything in AI Interfaces (Chatbots, Agents, RAG Apps).