Bypass compulsory web registration with the context menu via www.bugmenot.com.
Extends the function of the drag-and-drop mouse gesture so that it can be used to load URLs, do a web search of selected text on a page, or save an image on a page. The successor to Super DragAndGo.
Select text and it's automatically copied to the clipboard. Also pastes on middle click.
Personalize Firefox Button in Firefox 4 and change it to your personal and powerful one!
Create your personalized menu to replace Menu Bar in Firefox 3.