I'm quite surprised to not see teamspeak 6 on here. From what I've seen, it has all the features discord has now, including screen sharing, video calls, channels like discord, and it's also designed for gamers. It's been mentioned in some replies, but not any top-level comments yet. Is TS6 missing some discord features? (maybe calendar events, and their bot ecosystem is a lot smaller)
This entire list is Slack alternatives, not Discord alternatives. Discord is first-and-foremost a gaming voice chat platform. Teamspeak is the OG in that space and should've been the top of this list.
