Khoj
Open SourceSelf-hostableYour second brain, powered by AI.
4.518K starsAlternative to ChatGPT, Perplexity
Overview
Khoj is a personal AI that searches and reasons over your own notes, documents, and the web. Self-host it to get a private research assistant connected to your knowledge — Obsidian, Markdown, PDFs, and more.
Why pick Khoj over ChatGPT
- Own your data instead of trusting ChatGPT's servers
- No per-seat pricing — grow without ballooning costs
- Khoj is open source: audit it, fork it, extend it
- Self-host for full privacy and compliance control
Key features
- Semantic search over your notes and documents
- Connects to Obsidian, Notion, and local files
- Online or offline models
- Chat with citations back to your sources
- Web, desktop, and Emacs/Obsidian clients
Pros & cons
Screenshots
Installation
Run with Docker Compose
docker compose -f https://raw.githubusercontent.com/khoj-ai/khoj/master/docker-compose.yml upFrequently asked questions
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