Find information on Search Plug-ins, Jetpack, Themes, and other types of add-ons here.
Learn how easy it is to extend Firefox with Jetpack in this tutorial.
This Jetpack API documentation is a must-have for working on your Jetpack.
This article explains the structure and requirements of search plug-ins in Firefox.
Plug-ins to Mozilla-based applications are binary components that can display content that the application itself can't display natively. Explore the Mozilla Developer Center's plug-in documentation index to learn more.