GameTracker - GameTracker is your one-stop social network for gamers with game server stats, website plugins, and...
gamemonitoring.net - gamemonitoring.net is a unique tool for search and promotion of game servers.
aGSM - freeware game servers info scanner tool for Quake 1-3, HalfLife Counter-Strike, Warcraft 3, BF1942, AAO, JediKnight 2, MoH: AA, Diablo, Unreal, RtCW, HalfLife, SoF2, and many other LAN & Internet multiplayer games server
ServerBrowser.com - Online game server browser
PlayTracker - PlayTracker is a new server monitoring and social networking platform.
BattleMetrics - Game Server monitor and tracker