Add-on (Mozilla)

Mozilla add-ons are installable enhancements to the Mozilla Foundation's projects, including Firefox, Thunderbird, SeaMonkey, and Sunbird. Add-ons allow the user to add or augment application features, use themes to their liking, and handle new types of content. There are three major categories of add-ons: "Extensions", "Themes", and "Plug-ins". The main repository for distributing the first two type is the eponymous Mozilla Add-ons website.

Add-on (Mozilla)

Mozilla add-ons are installable enhancements to the Mozilla Foundation's projects, including Firefox, Thunderbird, SeaMonkey, and Sunbird. Add-ons allow the user to add or augment application features, use themes to their liking, and handle new types of content. There are three major categories of add-ons: "Extensions", "Themes", and "Plug-ins". The main repository for distributing the first two type is the eponymous Mozilla Add-ons website.