Last added:
last+7+days  last+14+days  last+30+days  added+any+time 
Web Widgets: Small objects that you embed on a personal webpage to display content, information or services
communication  publishing  learning_activities  poll_survey  interactive_maps  tracking 
Web Services: Websites you go to in order to benefit from a service.
create  create_documents  create_artythings  create_graphics  create_presentations  create_mindmaps  create_games  manage  catalog  manage_groups  run_meetings  share  learn_together  share_media  share_content  find  find_content  find_websites  find_software 

By default, only items added within the last 7 days are shown. Click on any tag below to see all items in a given category. Click on "added any time" to see the full listing of items (be warned that the page may take a bit of time to load).

web_services

manage

catalog

CiteULike
A free online service to organise your academic papers
 
CoRank
(from website). coRank is the place where you can create or visit pages where you can add whatever things you find interesting on the web, and do all sorts of things once they're added
 
LibraryThing
Easy, library-quality catalog. LibraryThing also connects you with people who read the same things.