2006
Google Browser Sync
by sbrothier & 18 othersGoogle Browser Sync for Firefox is an extension that continuously synchronizes your browser settings – including bookmarks, history, persistent cookies, and saved passwords – across your computers. It also allows you to restore open tabs and windows across different machines and browser sessions
2005
Mozilla Update :: Extensions -- More Info:Bookmarks Synchronizer - All Releases
by nhoizey (via)Bookmarks Synchronizer is a Mozilla Firefox extension that let you connect to an FTP/WebDAV server and synchronize your bookmarks that are stored in an XML file. Setup is easy; just write in your FTP/WebDAV server address, username, password and a name for the XML file
Plaxo | Adress Book optimizer
by sbrothier & 22 othersWatch your address book automatically update itself with their latest info.