2005
Listal - A social DVD, book, music and games collection manager
by ScanehShare your collection online. Uses ajax, tags and rss feeds.
rawsugar - recently added pages
by macroron & 11 otherslets you save and tag your favorite Web pages and create your personal searchable Web page to share with your friends. Tagging is a quick and flexible way to categorize your favorites.
Digg Home
by macroron & 121 othersa technology news website that combines social bookmarking, blogging, rss, and non-hierarchical editorial control.
Supr.c.ilio.us
by svartling & 4 others (via)Welcome to Supr.c.ilio.us, the World's First Social Social Tagging Site Tagging Site™. This is the place to come to tag all those other tagging sites. Why would you want to do that? Good thing you asked, because we were going to tell you anyway...
CommonTimes.org - news you choose
by svartling (via)A social bookmarking community for news readers
2004
1970
diigo - Social Annotation: Seamless Integration of Social Bookmarking, Web Highlighter, Sticky-Note & Clipping
by coxtree & 45 othersSeveral powerful features are seamlessly integrated to make Diigo a real "power extension" and must-have for anyone who browses a lot of stuff online.