Why XUL addons? XUL Add-ons, as browsers with their support, provide to user more freedom in creation and extension of browsers features. XUL has so many features that many addons are impossible to realize in browsers without XUL support. Alerts & UpdatesAppearanceBookmarksDownload ManagementFeeds, News & BloggingFull ThemesGames & EntertainmentLanguage SupportPhotos, Music & VideosPrivacy & SecuritySerach ToolsShoppingSocial & CommunicationTabsWeb DevelopmentOther Addon wasn't found!Are you sure that it must be here? Please, report to us.