Social Bookmarking Tools

Save all your bookmarks online, share them with other people, and see what other people are bookmarking. Search and tagging tools to help you keep track of your entire bookmark collection and find new bookmarks.
Save your favourite websites and tag pages. Join groups and invite friends to be part of your group. Annotate webpages and read annotations of others.
is a web based bookmarking utility that lets you store links to your favorite websites online

Google Bookmarks
Use the Google Toolbar for quick access to your bookmarks and to easily create more.

Bookmark Sync and Search
Mister Wong
is a leading social bookmarking service with users globally.