mozilla @ zeniko.ch
Console²
(now maintained by Philip Chee)
Console Filter
(now maintained by Philip Chee)
Crash Recovery
(integrated into Firefox 2.0)
Drag'n'go
and other userChrome.js code snippets (mostly obsolete)
Fission
(partially integrated into Status-4-Evar)
Mass Installer
(discontinued)
Session Manager
(now developed by Morac)
Unified Back-/Forward Button
(partially integrated into Firefox 3.0)
userChrome.js
(now maintained by alta88)