Unfortunately not anymore, everyone moved to Unvanquished[1] (made by ex-Tremulous players).

You are very welcome on their Discord server, or Der Bunker's[2] (Zittrig) Discord server, too!

We may know each other. :)

[1] https://unvanquished.net/ (https://unvanquished.net/chat/)

[2] https://discord.gg/nubnh8PGnG