In addition to the big two extensions that almost all developers who work in Firefox have installed (i.e. Firebug and Web Developer), another very useful...
Enjoy uploading your blog but want to do it a little faster without resorting to the clunky standard web interface? Enter Scribefire, a brilliant browser...
If you want an even quicker way of launching a terminal command line window outside of navigating to the Applications menu, selecting Accessories and then...
Seeing as we are all using Ubuntu/Gnome's powerful Nautilus file manager, a particularly quick and easy way to resize or rotate images by simply right-clicking...
Marc-Antoine Ross has knocked together a great little jQuery plugin, or extension if you will, which gives you a nice autocomplete country selector textbox.