Sites vergelijkbaar Foursquare.Com

Social networking and discussion site operated by Google.

Blogs, profiles, dating, groups, chat, games, poker, pictures, videos, music... With Skyrock create free of charge your network of friends and share your pictures ...

hi5 makes it easy to meet and socialize with new people through games, shared interests, friend suggestions, browsing profiles, and much more.

The world’s largest online music catalogue, powered by your scrobbles. Free internet radio, videos, photos, stats, charts, biographies and concerts.

The leading resource for forum owners and administrators!

OkCupid Free Online Dating - The fastest growing free dating site for singles.

Fanpop is a network of fan clubs for fans of television, movies, music and more to discuss and share photos, videos, news and opinions with fellow fans.

Daily updated list of the largest message boards and forums on the web, along with interviews of these forums administrators.