Mozilla Bookmark Sorter (MBS)
- MBS is a simple graphical utility that can alphabetically sort standard Mozilla/Firefox/Netscape bookmark files.
- http://www.versaqual.com/mbs/

wwwampire
- Aims to create an architecture for sharing extended bookmarks and using them for various purposes.
- http://wwwampire.mozdev.org/

WebLinks from QuickTools
- A facility to share Links (URLs like bookmarks) with friends.
- http://links.mozdev.org/

Page Bookmarks
- Saves scroll positions of the page that is currently being viewed in browser to later resume one of those positions.
- http://pagebookmarks.mozdev.org/index.html

BookmarksHome
- Makes a startup page out of your bookmarks. The layout of this page is fully customizable.
- http://bookmarkshome.mozdev.org/

Bookie
- Bookie is an application which keeps all your bookmarks on a central server so that you can access bookmarks from anywhere on the web.
- http://bookie.mozdev.org/