Featured Extensions

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NewsFox Requires Restart Featured

NewsFox is an efficient 3-pane(email) style Atom/RSS feed reader.

Rated 4 out of 5 stars (236)
23,409 users

FlashGot Mass Downloader Requires Restart Featured

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.

Rated 5 out of 5 stars (852)
334,279 users

DownThemAll! Featured

The first and only download manager/accelerator built inside Firefox!

Rated 4 out of 5 stars (2,747)
666,802 users

Lightning Requires Restart Featured

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.

Rated 3 out of 5 stars (1,848)
6,422,573 users

ReminderFox Requires Restart Featured

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.

Rated 4 out of 5 stars (530)
39,573 users

xSidebar Requires Restart Featured

Firefox style sidebars for SeaMonkey...

Rated 4 out of 5 stars (12)
25 users

Enigmail Featured

OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.

Rated 4 out of 5 stars (207)
136,825 users