Indeed they do! On Chess.net and German FICS I could even log in.
For Chess Any Time the web pge was up, but I could not connect with telnet,
so maybe they changed to another server type. Just a handful of players
on the other two, though (On the German one only computers.)
Btw, if you still update that list you might add mine as well:
Variant ICS at 80.100.28.169 . (I never bothered to take a domain name...)
Also no people there, BTW. But it is more capable than the others, as of
course I hacked it, and besides Chess / Bughouse, as in the open-source
version, you can play Crazyhouse, Fischerandom, Shatranj, Gothic / Capablanca
(on 10x8 board), Knightmate, Spartan Chess, Grand Chess, Superchess,
Great Shatranj, Xiangqi and Shogi there. All through Winboard, of course!
And likely there will be another one soon, operated by Yasser Seirawan,
where there could be a lot of human players (but they all want to play
Seirawan Chess :-))) ). As I will be setting that up for him.