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Show HN: OpenKnowledge – open source AI-first alternative to Obsidian/Notion
OpenKnowledge is an open-source, free, local markdown editor for MacOS and CLI that aims to provide a WYSIWYG, Google Docs-like experience for teams. It integrates directly with Claude, Codex, and Cursor, and includes MCPs, skills, RAG, and terminal support for AI-assisted note taking and spec writing.