The old name of Firefox, the standalone web browser.
Cgywin file management utilities needed to build Firefox or Thunderbird.
Cgywin searching utilities used to build Firefox or Thunderbird.
The standalone Mozilla browser, which was spun off from Mozilla Suite. It was once called Firebird and Phoenix. The earlier names were dropped because of conflicts with other product trademarks.
A Firefox extension that allows configuring user preferences more easily than by using about:config or editing user.js.
Has nothing to do with Firefox; it is a standard for a special communications port.
The maker of the FireTweaker extension.
The display of folders in Thunderbird, usually on the left side of the Thunderbird main window.