Add-ons
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- 1. Lightning 6,518,445 users
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Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.6,518,445 users -
Download all the links, movies and audio clips of a page at the maximum speed with a single click, using the most popular, lightweight and reliable external download managers.2,597 users -
ReminderFox displays and manages lists of reminders and ToDo's. ReminderFox makes sure you remember all of your important dates via easy-to-use lists, alerts, and alarms, right in your browser without the need for a separate calendar program.16,526 users -
The first and only download manager/accelerator built inside Firefox!1,340 users
Up & Coming Extensions See all »
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Display birthdays from the Thunderbird addressbooks as events in Lightning.12,239 users -
Quickly highlight some text in Thunderbird message composing windows.9,189 users -
Extends the function of the drag-and-drop mouse gesture so that it can be used to load URLs, do a web search of selected text on a page, or save an image on a page. The successor to Super DragAndGo.24 users
Featured Collections See all »
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Featured Add-ons for Seamonkey
None
15 add-ons
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