About this Collection
Mozilla Master Collection tools are mozilla.org and mozilla labs, for professional use. Icono, by Everaldo Coelho-www.mricons.com
7 Add-ons in this Collection
Personas (now known as lightweight themes) are free, easy-to-install "skins" for Firefox. Personas Plus extends that built-in functionality to give you even more control and easier access to new, popular, and your own favorite themes.
Help make Firefox better. The Add-on Compatibility Reporter enables you to report if the Firefox add-ons that you're using are working properly (legacy add-ons only).
Create Prism applications directly from Firefox
Jetpack Prototype is an experiment in making it easy to build Firefox add-ons using common web technologies.
An extension that allows for the use of dynamic commands in Firefox.
The legacy Test Pilot program has been replaced, and this add-on is no longer useful. If you're interested in testing new features in Firefox please join the new program at https://testpilot.firefox.com