BookmarkManager is a online bookmark manager, it is meant as a replacement for a browser's bookmark system. It runs on a servlet container, and needs no database. It uses the Prevayler system for storing it's data. It is a easy way to keep your bookmarks in one place so you can access them from anywhere on any computer. You add a javascript bookmark in the browser to send the current page you are on to the bookmark server where it stores it
MyBookmarks is a free Internet service that allows you to keep your browser bookmarks and favorites online so you can access them from anywhere....
Scuttle: Online Bookmarks Manager
ScuttlEDU is different in that it is designed to make tagging easier for educators. When you register for the service, you are asked to provide your grade level and subject area. When you add a bookmark, these two pieces of information become tags. You have the option of not using these tags as well