The following websites are using QSF Portal as of February 25, 2010. If you'd like to have your site added here ( or removed from here ) then please contact Samson with the details.

SmaugMuds.org. Smaug MUDs Community site for general support of Smaug and derived MUD codebases. serves as the advance development site for the QSFP codebase.
Conner and Family. Family blog site for Conner.
Land of Legends. Community site for the Lands of Legends MUD.
Character Post. A web community for posting screenshots of game characters played by the users.
Legends of Old. Website for the Legends of Old MUD.
PDNS-Admin. Support site for the PDNS-Admin application used to administer PowerDNS servers.
ackmud.net. Development site for the ACK!MUD MUD codebase revival.
AFKMods. Website site for the AFKMods team of Oblivion modders.