Social Bookmarking

  • CiteULike
    Search, organize, and share scholarly papers.
    citeulike.org - Scholarly Papers
  • Delicious
    One of the first social bookmarking sites.
    del.icio.us
  • Diigo
    Highlight, annotate, and share web pages with this unique knowledge-sharing tool.
    diigo.com
  • Evernote
    Index and search text, images, and media clipped from local documents and the Web.
    evernote.com
  • Reddit
    Social bookmarking site with numerous subtopics.
    reddit.com
  • Stumble Upon
    Web site bookmarking and social discovery service.
    stumbleupon.com
  • Zotero
    Firefox extension for collecting, managing, and citing resources.
    zotero.org