BYOAIK — Bring Your Own AI Key: a directory of AI tools that run on your own API key.

Self-Hosted RAG & Research

Chat with your documents and the web using models you control.

• RAGFlow — Open-source RAG engine with deep document understanding for grounded, cited document Q&A.
• AnythingLLM — All-in-one local-first AI app for document chat (RAG) and agents, with bring-your-own-key support for nearly every LLM provider.
• Onyx — Open-source enterprise search and AI assistant that works with every LLM and connects to your knowledge sources.
• Perplexica — Open-source, self-hostable AI search engine that answers with citations using SearXNG plus your own LLM provider.
• Khoj — Open-source, self-hostable AI second brain that chats with your documents and the web.
• Open Notebook — Open-source, privacy-first NotebookLM alternative that chats with your sources and generates multi-speaker AI podcasts.
• GPT Researcher — Autonomous agent that runs deep multi-source web research and writes cited reports using your own LLM provider.
• SurfSense — Open-source, privacy-focused NotebookLM / Perplexity / Glean alternative that connects any LLM to your docs and external sources.
• PrivateGPT — Privacy-first RAG app to ingest and query your documents using local or remote LLMs, fully offline-capable.
• Open Deep Research (LangChain) — LangChain's open-source deep research agent you run with your own models and search/MCP tools.
• Morphic — Open-source AI answer engine with a generative UI, bring your own provider key
• Local Deep Research — Local-first agentic deep-research assistant that produces cited reports across web, academic, and private sources.