Extension for Firefox that allows you to filter ads on websites.
Always have your city's weather forecast at your disposal with this add-on for Firefox.
Free and open-source web browser based on the XUL (XML User Interface Language) platform.

Theme for Firefox that will make your browser look like Internet Explorer 7.
Browser based on Chromium adapted to support older versions of Windows that the original Chromium no longer supports.
Utility that allows to extract the users/senses from Firefox.