Show HN: OpenKnowledge – open source AI-first alternative to Obsidian/Notion

<p>Hi HN, Nick here. We’re launching OpenKnowledge (<a href="https://openknowledge.ai/" rel="nofollow">https://openknowledge.ai/</a>), a “what you see is what you get” markdown editor that has direct integrations with Claude, Codex, and other agents. Available as MacOS app or Web UI+CLI. Fully free/local and OSS.<p>We built this because we wanted a Notion-like experience for writing and sharing markdown files across our team. Obsidian is the best alternative we tried, but found it doesn’t have a