Zigtag is a revolutionary new semantic, social tagging service that allows you to save your favorite websites, see what your friends are tagging, and find the sites you're really looking for!
* Tag Digest – a page in blog form of the most popular bookmarks seen * The original blog post introducing LiveMarks Homepage: sandbox.sourcelabs.com Author: Alex Bosworth License: GPL
Linkwad lets you save and restore tabbed browsing sessions called wads. Wads can be shared and accessed from any computer. You can also share your "wads".