4chan - 4chan is a simple image-based bulletin board where anyone can post comments and share images.
Affimity - A social network with interest-specific channels, like on TV
Lainchan - Lainchan is a great imageboard package, actively building on it and adding a lot of features and...
Topick - Gather around your favorite topics.
7chan - a simple image board alternative to 4chan small but still a nice community with much more rules...
Jobs List - All the jobs from job boards in one place