This is a list of some of the best sites running on BuddyPress:
http://wannanetwork.com/
http://www.weheartthis.com/
http://grungepress.com/
http://buglenotes.com/
http://www.explorewithme.com/
http://bp-dev.org
http://flokka.com
http://petomundo.com
http://barcampcharlotte.com/
http://headonradionetwork.com/
http://solopracticeuniversity.com/
http://delsolownersclub.com/
http://tucsondigitalarts.com/
http://teamjaren.no
http://twitterfic.com
http://bestronghearted.org/
http://ebodia.com
http://utahmodern.org
http://MMAFrenzy.com/
http://ourcommoninterest.org/
http://www.clubefotografico.com.br/
http://thenextleveluk.net23.net/
http://aimusic.com
http://berra.graphic-studio.ch/
http://vdubbing.com/
http://aula5.net/
http://wikiroma.it/
http://sportsblognet.com/
http://ilovewestdavis.com/
http://kofti.pl/
http://beergogglehell.com/
Source: http://buddypress.org/forums/topic.php?id=185
The list should give you a good idea of what you can do with BuddyPress.
If you would like to add your link to the list please post it in a comment.
