5 ms·Isn't everybody using slack technically also using IRC?by brummm 7y agoIsn't everybody using slack technically also using IRC?detaro 7y agoI don't think Slack is based on IRC, no. I believe the best-known IRC-based system (that's not obviously IRC itself) is actually Twitch chat.bdreadz 7y agoThey used to have IRC / XMPP gateways. Closed them down.