This list should be the most current.

cdn is a collection of extensions created by Chris Neale, Brian King [and occasionally Stephen Clavering] for
Phoenix Mozilla Firebird Firefox Browser, Mozilla Thunderbird Mail and Mozilla

Compact Menu

for Fb and Tb

compact.xpi [ Sep 08, 2004 ]
compact_tb.xpi [ May 05, 2004 ]

Compact Menu is a wrapper for the menubar in Firefox/Thunderbird which lets you cut the menubar down to the menus you use, and even reduce the space it takes up to a single menu item.
Full Screen + Bookmarks

for Mozilla

fs.xpi [ Aug 07, 2003 ]

FS adds two buttons to your Mozilla’s Navigation Toolbar, between the Stop button and the Url field. It works like the Home Button Extension.

Bookmark Button has stopped functioning since the backporting of Px bookmark code to Moz.

Link Toolbar

for Fx and Netscape 7

linkToolbar.xpi [ Aug 24, 2004 ]

Bringing Mozilla’s 'Site Navigation Bar' [Link Toolbar] to Firefox. Select alternate stylesheets.
Ook

for Mozilla Firefox Browser

ook.xpi [ Sep 16, 2004 ]

Bookmarks on Context Menu for Mozilla Firefox Browser.
Sidebar Toggle

for Mozilla

sbartoggle.xpi [ Feb 15, 2003 ]

Bringing Netscape’s 'Sidebar toggle button' to Mozilla.
Themer

for Mozilla and Fb

themer.xpi [ May 17, 2003 ]

Themer provides a button in the Themes section of Preferences (Options on Windows Firefox); this button allows installation of .jar packaged themes previously downloaded from a website, like http://themes.mozdev.org/.
ttlo2.xpi [ Sep 27, 2003 ]

TTLO adds more items to select in the Options panel.
Trivial

for Fb

trivial.xpi [ Nov 11, 2003 ]

Miscellaneous little things.

This list should be the most current.