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Hi everyone! For the last months I've been building Diagraw (https://diagraw.com/) in my free time, and today I want to show it to you.

It's a free online whiteboard for diagrams. Everything looks hand-drawn, like you made it with a pen on paper. I always loved that style because diagrams look friendly, not corporate.

What you can do with it:

  • Draw architecture diagrams, flowcharts, or just think on an infinite canvas
  • Work together in real time: share a link and your friends can draw with you (live cursors included)
  • Ask the AI assistant (her name is Lyra) to create a diagram for you, then change it by chatting: "add a Redis cache", "group these services"... and it updates the canvas
  • Import from Mermaid, docker-compose or Miro, export to PNG, SVG or PDF

No account needed to start. Everything works in the browser, in English and Spanish.

I built it because at work I was always fighting with diagram tools that felt heavy and slow. I wanted something that opens fast and feels like sketching.

It's still a small project and I'm the only person working on it, so any feedback is super welcome. What is missing? What feels strange? Be honest, I can take it ๐Ÿ˜„

Thanks for reading!

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[-] Mniot@programming.dev 3 points 1 day ago

I played around for a few minutes and I'm somewhat surprised that I like it (because on page-load it looks the same as Excalidraw or Miro or the others).

  • Small number of shapes is good. I like that "database" and "server" are there, because I'd be using this for software architecture diagrams and I don't want an overwhelming number of shapes.
  • The map in the lower left works quite well. I should try it on something big enough to need it.
  • The note is just basic text. All the other apps I've used make the text scale to fill the note and I hate that.
  • Some things are sticky (arrows, freehand) while others are not (shapes). This is surprising and I'm not sure how I feel about it, but it may be the correct choice.
  • The AI isn't popping up in my god-damn face. I really don't want "help" with drawing.
  • Export as Mermaid is very interesting-looking.

The sticky/nonsticky buttons are the only maybe-criticism I've got after a quick peek, but I liked it quite a bit and will try using it for real. The export options are important because they make me feel like I won't lose my work if you get bored or forget to pay a bill. :-)

this post was submitted on 06 Jul 2026
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