Trilium Notes is a free, open-source, cross-platform hierarchical note-taking application designed for building large personal knowledge bases.
Open source. Open possibilities.
Discover quality open-source projects, submit projects anonymously, and claim and edit your own project.
A little curiosity. A world of open source.
THE FIRST COLLECTIONDocmost is an open-source collaborative wiki and documentation platform designed as an alternative to Confluence and Notion.
LobeHub is an open-source AI agent platform that organizes agents into a 7×24 operation, enabling users to hire, schedule, and collaborate with AI teammates while self-hosting via Docker or Vercel.
SiYuan is a privacy-first, self-hosted personal knowledge management system with block-level references, Markdown WYSIWYG editing, SQL queries, spaced repetition, and AI writing via OpenAI API. It offers desktop, mobile, Docker deployment, and a built-in CLI.
Langchain-Chatchat is an open-source offline RAG and Agent application based on Langchain and ChatGLM, Qwen, Llama etc., supporting local knowledge base Q&A, multiple model inference frameworks, WebUI and API.
Context is an MCP gateway that gives every AI client — ChatGPT, Claude, Codex, Notion AI — one endpoint to a personal knowledge base kept as plain Markdown in a Dropbox folder or S3-compatible bucket you own, with privacy tiers, workspaces and a session-end capture hook.