Online-Bookmarks is a multiuser social-bookmarking management system that keeps Bookmarks, Favorites and Links online, where they actually are needed.
demo:http://www.frech.ch/online-bookmarks/bookmarks/
Username "bookmark" and Password "online"
Add To Bookmarks - Social Bookmarking Submission and Linking Code for your Blog or Website - - add, and, blog, bookmarking, bookmarks, code, for, linking, or, social, submission, to, website, your---www.addtobookmarks.com
open source script
A clone of the script http://www.onlywire.com . That script has the advantage to submit to several bookmark site at the same time . At this moment www.onlywire.com can submit to 15 websit i will need to change that number to an higher number, with the possibility to ad more to the request of the member