Bookmarking

citeulikeCiteULike
Search, organize, and share scholarly papers.
www.citeulike.org – Scholarly Papers

 

deliciousDelicious
Leading social bookmarking site.
www.delicious.com

 

diigoDiigo
Highlight, annotate, and share web pages with this unique knowledge-sharing tool.
www.diigo.com

 

diggDigg
Community-driven social news/bookmarking site.
www.digg.com

 

evernoteEvernote
Index and search text, images, and media clipped from local documents and the Web.
www.evernote.com

 

redditReddit
Simple bookmarking site with numerous moderated subtopics.
www.reddit.com

 

stumbleStumble Upon
Web site bookmarking and social discovery service.
www.stumbleupon.com

 

zoteroZotero
Firefox extension for collecting, managing, and citing resources.
www.zotero.org