PressMark

PressMark is free customized version of the popular WordPress cms system that functions as a social bookmarking site like Delicious.

PressMark allows users to submit their favorite links into the system which are then categorized by tags, submitted bookmarks can be individually set to private or public for obvious reasons. Installing PressMark is exactly like installing a normal version of wordpres.

The script can be downloaded for free from GitHub!

Pressmark with a Wordpress installation with all you need to start a social bookmarking website (like del.icio.us, sabros.us, …).