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Re:Slack using React Dev Build in Production by tosh on Tuesday August 01, 2017 @08:09AM (#14899799)
Discord feels very responsive and lightweight. Anyone knows what their stack looks like?
Re:Slack using React Dev Build in Production by TkTech on Tuesday August 01, 2017 @08:23AM (#14899894)
They have some fantastic dev blogs[1]. Their backend seems to mostly be elixir.

1: https://blog.discordapp.com/tagged/engineering

Re:Slack using React Dev Build in Production by notamy on Tuesday August 01, 2017 @08:36AM (#14899976)
Elixir for the backend as others have said, and the frontend is React on Electron.
Re:Slack using React Dev Build in Production by thejosh on Tuesday August 01, 2017 @08:27AM (#14899918)
Elixir for the backend, they have around 5 million concurrent users.
Re:Slack using React Dev Build in Production by marcelfahle on Tuesday August 01, 2017 @08:16AM (#14899857)
Electron