Show HN: Needed instant realtime whiteboard for meetings so I built it in 1 day
cnvs.appHi there. I was looking for a pastebin-like instant solution for online meetings — a shared whiteboard with real-time sync. Of course there are Excalidraw and tldraw, BUT they require signup and are overgrown with features I don't need. So I just built cnvs.app — instant sharing, no signup, real-time sync with all the essentials: drawing, writing, and pasting images. All in one day. On day two I added sticky notes, full mobile support, and Mermaid diagrams (cool thing — try pasting some Mermaid syntax there!) and deployed to Cloudflare so everyone can use it for free.
Be creative. Have fun :)
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