Featured Add-ons for Seamonkey

by Mozilla

9 Add-ons in this Collection

Lightning by Mozilla Calendar Project

Rated 3 out of 5 stars 2,097 reviews

1,445,392 users

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.

DownThemAll! by Nils Maier, Federico Parodi, others

Rated 4 out of 5 stars 2,896 reviews

911 users

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

Enigmail by Patrick Brunschwig

Rated 4 out of 5 stars 256 reviews

92,962 users

OpenPGP message encryption and authentication for Thunderbird.

FlashGot Mass Downloader by Giorgio Maone

Rated 5 out of 5 stars 890 reviews

1,570 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.

ReminderFox by Tom Mutdosch, Daniel Lee, others

Rated 4 out of 5 stars 549 reviews

3,815 users

ReminderFox displays and manages lists of reminders and tasks. ReminderFox uses easy-to-use lists with warnings/alarms to remind you of all your important appointments.
Synchronize ReminderFox with other calendars as well.

NewsFox by Andrey Gromyko, R Pruitt

Rated 4 out of 5 stars 239 reviews

68 users

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

Classic Firǝfox theme for SeaMonkey by artam

Rated 4 out of 5 stars 20 reviews

36 users

Classic legacy Firǝfox based theme for SeaMonkey 2.x

xSidebar by Philip Chee

Rated 4 out of 5 stars 12 reviews

12 users

Firefox style sidebars for SeaMonkey...

Kilome by kilometk

Rated 4 out of 5 stars 9 reviews

0 users

Kilome A Seamonkey Theme

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections