[arconis987]

Figma is written in C++, compiled to WebAssembly. Probably the most advanced web-based design tool in the world.

I think they have like 4-5M users, and a $2B valuation.

https://madewithwebassembly.com/showcase/figma/

[stopyellingatme]

Figma is an actual tool, written for the web. Lots of great engineering happening over there.