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 - [affine-developer](https://affine-developer.vercel.app/) - Waku + BlockSuite
 - [Aregridjs](https://aregridjs.vercel.app/) - Angular + BlockSuite + Octobase
 - [revezone](https://github.com/revezone/revezone) - A new way to use Excalidraw. A lightweight productivity tool to build your Second Brain that integrates enhanced Excalidraw whiteboard and Notion-like note-taking features.
+- [univer](https://github.com/dream-num/univer) -  Univer is an open source collabrative solution http://luckysheet.lashuju.com/workplace/
   
 ## Libraries 
 - [affine-client](https://github.com/toeverything/AFFiNE/releases) - New desktop apps are under rapid development and lots of minor releases have been made.