I shall play the cynic here. The problem resolved by Slack is providing an excuse to waste computer resources (RAM, storage, CPU cycles). Reinventing the wheel

I shall play the cynic here. The problem resolved by Slack is providing an excuse to waste computer resources (RAM, storage, CPU cycles). Reinventing the wheel on Electron (and charging for it) does that admirably. If you meant functionality, you already had XMPP or other messaging platforms.