wmQStat is a dockable front-end to qstat by Steve Jankowski, a popular
command-line monitor of lots of Internet game servers, i.e. Quake/W/2/3,
Hexen2/W, HL/CS/HL2, Tribes/2, RtCW, UT200x, DOOM III, FarCry, to name a
few (this list is by far not complete).

WWW: http://wmqstat.sourceforge.net/