[lukeasrodgers]

I believe Discord uses Elixir, and I think that counts as "major."

[oomem]

Yes, and they wrote some interesting blog posts about it:

https://blog.discordapp.com/scaling-elixir-f9b8e1e7c29b

https://blog.discordapp.com/how-discord-handles-push-request...

[raphy]

It is also used by Pinterest and Square Enix, as they both open sourced some of the tools they use.

[brightball]

Love Discord