4chan - 4chan is a simple image-based bulletin board where anyone can post comments and share images.

Palaround - Meet people you should be friends with.

Lainchan - Lainchan is a great imageboard package, actively building on it and adding a lot of features and...

Digg - Digg delivers the most interesting and talked-about stories on the Web right now.

7chan - a simple image board alternative to 4chan small but still a nice community with much more rules...

quippd - quippd is a social news site that anyone can edit.