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FoxClocks No Restart

FoxClocks shows times around the world - or just your local time - at the bottom of your browser. It deals with daylight saving time so you don't have to.

Rated 4 out of 5 stars (324)
64,694 users
Updated April 16, 2016

fairBlock No Restart

Un bloqueur de publicité équitable. Préservez le web gratuit en choisissant sur quels sites vous bloquez la publicité.

Rated 5 out of 5 stars (2)
55 users
Updated April 16, 2016

GNotifier No Restart

Add-on for Firefox and Thunderbird. Replaces built-in notifications with the OS native notifications. It supports most Linux Desktop Environments, Windows 8.1 & 10.

Rated 5 out of 5 stars (4)
11,225 users
Updated April 14, 2016

Emoji Menu

Adds the ability to easily insert emojis into your composed messages in Thunderbird.

Rated 5 out of 5 stars (4)
3,183 users
Updated April 13, 2016

Email Addresses in Message Headers

Shows email addresses in message headers, including those of contacts, and provides control over message header presentation.

Not yet rated
110 users
Updated April 12, 2016

Send Later

True "Send Later" functionality to schedule the time for sending an email.

Rated 5 out of 5 stars (45)
58,645 users
Updated April 12, 2016

Lightbird

Standalone calendar UI for Lightning

Rated 4 out of 5 stars (12)
4,316 users
Updated April 12, 2016

Http Ping

Sheduled ping any server with http request

Запросы по расписанию к серверу по http

Not yet rated
1 user
Updated April 11, 2016

Shedule Filters

Sheduled run message filters

Запуск фильтров сообщений по расписанию

Not yet rated
7 users
Updated April 11, 2016

No need flash plugin on embeded youtube movies No Restart

No need flash plugin on embeded youtube movies

Rated 4 out of 5 stars (2)
7,662 users
Updated April 10, 2016

URLFilter No Restart

Block advertisement and access to adult sites

Rated 4 out of 5 stars (14)
4,495 users
Updated April 10, 2016

Feedly Synchronizer No Restart

Synchronize your favorite RSS sources with Thundebird and Feedly

Rated 3 out of 5 stars (8)
244 users
Updated April 9, 2016

Theme Font & Size Changer No Restart

Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.

Rated 5 out of 5 stars (170)
96,357 users
Updated April 8, 2016

Classic Toolbar Buttons No Restart

'Classic Toolbar Buttons' add-on restores old toolbar button ui (known from Fx 4-7s small view, Fx 4-12s large view & Tb 5-14) for current Firefox, Thunderbird and Seamonkey versions on Windows.

Beta builds on versions page!

Rated 5 out of 5 stars (150)
38,925 users
Updated April 7, 2016

Colorific No Restart

Colorize entire web pages with 28 themes that transform hue, saturation, lightness and opacity. NEW: Edit themes using sliders and drag-and-drop. NEW: Black-list & white-list web domains for automatic coloration with specific themes.

Rated 4 out of 5 stars (7)
1,737 users
Updated April 7, 2016

Italian Dictionary for Spelling

Select a text in Italian appearing on any web page and get a spell check for it immediately!

Not yet rated
327 users
Updated April 6, 2016

AutoProxyMod

Based on original AutoProxy!

Rated 5 out of 5 stars (5)
73 users
Updated April 6, 2016

ReminderFox

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 (526)
84,589 users
Updated April 5, 2016

List Addons in Windows' Programs No Restart

List addons in Windows' "Add or Remove Programs".

Not yet rated
3 users
Updated April 5, 2016

Ethical signature

Add a button to the email composition toolbar, which lets you insert an ethical signature.

Not yet rated
37 users
Updated April 5, 2016