TL;DR: Figma wrote
about how they used Rust to write their multiplayer server.
💡I wondered: how hard would it be to make a Figma clone over a distributed cluster using Elixir/Phoenix?
(distributed cluster hosted on Fly.io)
Here is a blog post detailing how it was made.
Here is the code.
⚠️ FIGMEX is a WIP and proof of concept️
There are only basic features and probably bugs.