If you're looking for a simple base/OpenJK server, -[DE]- is a good choice. Though we've been on a small break lately, things will pick up again soon. If you add me on Steam I can let you know when we have a full server sometime if you're online. We FFA and have random TFFA's sometimes.
Yeah, it's pretty vacant. There's always a free server to find nowadays. Which is good for catching up with friends, but I found it's rare to find a random FFA duel cluster (for example) these days... You gotta be lucky...
Check at the weekend and monday. According to our logs that's when most people get on 