Lists installed add-ons (extensions, themes, plugins). Compatible version linked from the Developer comments section at the bottom of the addon's page.

Rated 4 out of 5 stars (30)
845 users
Updated October 4, 2015

Disable Auto-update

Disable Auto-update feature of Firefox and Thunderbird.

Rated 5 out of 5 stars (2)
1,196 users
Updated October 1, 2015

NewScrollbars (aka NoiaScrollbars)

The "NewScrollbars"-extension replaces the default scrollbars of Firefox and Thunderbird with colorized ones (partly) known from "Noia themes".

Firefox 32 zoom bug with custom scrollbars got fixed in Firefox 33 beta 6, Aurora and Nightly!

Rated 5 out of 5 stars (97)
15,219 users
Updated September 29, 2015

Crash Me Now! (Simple) No Restart

Crash yourself with ease

Not yet rated
2 users
Updated September 29, 2015

Screen-sharing extension for Connected Care No Restart

Screen-sharing extension for Connected Care

Not yet rated
82 users
Updated September 28, 2015

Gantt View

Gantt Chart view for Sunbird/Lightning

Rated 4 out of 5 stars (31)
5,897 users
Updated September 21, 2015

Profile Folder Button

Adds profile folder/directory button.

Not yet rated
887 users
Updated September 20, 2015

Kapaza Feed

Receive Kapaza ads as any RSS items.

Not yet rated
1 user
Updated September 19, 2015

Extension List Dumper 2

This extension adds a button ("Dump list") to the Add-ons window. When this button is pressed, a new window is opened with the list of installed extensions, themes or plugins...

Rated 5 out of 5 stars (16)
330 users
Updated September 19, 2015

Force Addon Status

Provides ability to change status of specific addon (enabled/disabled).

Not yet rated
37 users
Updated September 17, 2015

DOM Inspector Plus! [dm]

Improved DOM Inspector! [dm version]. Box Model new layout & more data, see screenshot!. Horizontal scroll for Dom-Tree, and some more.
Inspects the structure and properties of a window and its contents.

Rated 5 out of 5 stars (4)
636 users
Updated September 13, 2015

ThunderStats! Your Thunderbird Statistics!

Do you remember the old good Eudora statistics? Do you miss them?
Using this addon you can finally keep an eye on how you use your beloved Thunderbird!

Rated 5 out of 5 stars (2)
241 users
Updated September 10, 2015

Shrunked Image Resizer

Make your photos smaller, so they don't take forever to email or send to websites.

Rated 4 out of 5 stars (32)
8,042 users
Updated September 9, 2015


This extension gives more options and tools to attach files from compose window.

Rated 5 out of 5 stars (7)
988 users
Updated September 8, 2015

TB Menubar Unread Notifier

Output the number of unread messages in all inboxes into the temporal file /tmp/testUnread. As a result, this output file can serve as an input for other applications to read and show notification either on a dock bar or on the menubar.

Rated 3 out of 5 stars (4)
41 users
Updated September 8, 2015


Adds some tools to import and export folders and messages

Rated 4 out of 5 stars (126)
336,562 users
Updated September 6, 2015

Personas Rotator

Personas Rotator is a new companion for Personas Firefox add-on to change over 65000+ skins periodically on Firefox. What Will Your Browser Wear Now?

Rated 5 out of 5 stars (76)
9,847 users
Updated September 3, 2015

Element Hiding Helper for Adblock Plus No Restart

Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.

Rated 5 out of 5 stars (449)
757,834 users
Updated September 1, 2015

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 (311)
67,103 users
Updated August 29, 2015

UnMHT No Restart

UnMHT allows you to view MHT (MHTML) web archive format files, and save complete web pages, including text and graphics, into a single MHT file in Firefox/SeaMonkey.

Rated 5 out of 5 stars (217)
84,243 users
Updated August 29, 2015