Show HN: OpenKnowledge – open source AI-first alternative to Obsidian/Notion
Software Development, Developer Tools & Environments, Code Editors & IDEs(github.com)view on HackerNews
OpenKnowledgemarkdown editorClaudeCodexCursorMacOSCLIOSSElectronProseMirrorCRDTgit
Author: engomez
Date: 6/25/2026
Article Summary:
OpenKnowledge is a free, open-source, markdown editor with direct integrations to Claude, Codex, and Cursor, available as a MacOS app or CLI.