coRank is a site where you can share whatever you find interesting on the web with people who value your opinion, and where you can also find what's interesting for people whose opinion are important to you - your source ...

Clipmarks is a new way to save and share the interesting things you find on the web. Their free browser add-on lets you clip text, images and videos from inside web pages then save, blog, email and print what you clip.

By combining social bookmarking, clippings, in situ annotation, tagging, full-text search, easy sharing and interactions, Diigo offers a powerful personal tool and a rich social platform for knowledge users, and in the p ...

Helps you discover and share great websites. As you click Stumble!, they deliver high-quality pages matched to your personal preferences.

A source for what's new and popular on the web -- personalized for you. Your votes train a filter, so let reddit know what you liked and disliked, because you'll begin to be recommended links filtered to your tastes.