Some online diagram & drawing apps

A few online apps to draw diagrams and draw concepts. Good for software engineers.

Some online diagram & drawing apps
Parts of tactical "Domain-Driven Design" explained with a diagram.

Sometimes I need something to quickly draw out of my head. Or show or explain some concepts to others.

Draw.io

Free features:

  • Connect with Google Drive to collaborate on diagrams and share them.
Almost the same diagram (explaining DDD layers) with made with draw.io.

Website: https://app.diagrams.net/
About: https://www.drawio.com/

eraser.io

Free limitations:

  • Three drawings
  • Sharing only with editor permissions

Website: https://app.eraser.io/

Excalidraw

Free limitations:

  • You cannot save and load your drawings on the server (only one drawing at a time)

Website: https://excalidraw.com/
Source: https://github.com/excalidraw/excalidraw

tldraw

If you want to build something yourself, then this SDK is for you.

Website: https://tldraw.com/
About: https://tldraw.dev/