General extensions

All in One Gestures(0.17.4)
Automarks(0.2)
Sage(1.3.6)
SearchStatus( 1.14)
Tab Mix Plus(0.3.0.4)
Tabbrowser Preferences (1.2.8.8)

Reveal
New Tab Button on Tab Bar
Firefox Showcase
Colourful Tabs

    At Home

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    Developer Tools

View Cookies(1.5)
Web Developer(1.0.2)
FireBug(0.2.2)
IE Tab 1.0.7

These currently do not work with firefox 1.5
Fangs Screen Reader Emulator 0.82
checky 2.5

All these plugins can be downloaded at: Firefox Extensions Page

Themes

SaferFox Xpanded 3.2.2