Bookmarking

Digg is the most popular social bookmarking application. Users select and promote stories by digging them, the top ones are listed on the frontpage.Digg

Del.icio.us enables you to store your bookmarks online by tagging them. By default your bookmarks are public, so everyone can see relevant tags.del.icio.us

StumbleUpon lets you discover new interesting websites. Most users use the toolbar, which they can use to go to a new website.StumbleUpon

Netvouz is a social bookmark manager where you can store your favorite links online and access them from any computer.Netvouz

Reddit is a social bookmarking site for stories and pictures. Users vote on stories of which the popular ones are displayed on the homepage.Reddit

A social bookmarks manager that allows categorization via custom tags. Offers several tools to share content, including synchronization with a weblog.BlogMarks

Find web sites with Ma.gnolia's social bookmarking online community. Organize bookmarks, search other people's favorites and make friends and contactsMa.gnolia

Propeller is a social news aggregator,similar to Digg, operated by AOL-Netscape.Propeller

With BlinkList you can create your own web page with all your bookmarks and access them from anywhere.BlinkList

Furl is a web based social bookmarking tool that makes it possible to save, share, and explore favorite web pages.Furl