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

> An agent-native knowledge platform where humans and AI co-create. Real-time CRDT editing, markdown-native, connected to any AI agent via MCP. Open source Beautiful, AI-native markdown editor. A rich text editor for you and your agents. Private, open source, and free. Download for macOS or CLI Use with Claude icon Claude Cursor icon Cursor Codex icon Codex Claude icon Claude Help me write up our launch week Claude ico...

**来源信息**
- **来源**：Hacker News：AI 热帖
- **分类**：ai-products
- **发布时间**：2026-06-26 00:04（北京时间）
- **原文**：[打开原文](https://openknowledge.ai/)