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Add-ons Button

Opens the Add-ons window to perform tasks on your installed Extensions, Themes, Plug-ins and Language packs.

Rated 5 out of 5 stars (1)
1,964 users

Add-ons Manager - Version Number

Restores version numbers for all installed add-ons inside Add-on Manager on Firefox, Thunderbird and Seamonkey.

Rated 5 out of 5 stars (18)
1,663 users

Add-ons Manager Context Menu Requires Restart

Add more items to Add-ons Manager context menu.

Rated 5 out of 5 stars (35)
18,105 users

Add-ons Sync Prefs

Adds Add-ons Sync Preferences to SeaMonkey 2.8

Not yet rated
19 users

Addons Manager Hilite

Remembers last selected (hilited) extension/theme/plugin/userstyle in Add-ons Manager. Version 3.0 also includes sorting buttons. Turn off/on the add-on selection list box and/or fine tune behavior via its Options.

Rated 5 out of 5 stars (18)
700 users

Addons Quick Search Requires Restart

Type first letters of add-on name to find them in the list or press Ctrl+↑/↓ to switch between add-ons categories.
Additionally remember and restore last selected item in each list.

Rated 5 out of 5 stars (11)
629 users

Addons Recent Updates Requires Restart

Show more addons recent updates

Rated 5 out of 5 stars (9)
1,682 users

Addressbooks Synchronizer Requires Restart

Synchronizes selected addressbooks with other instances of thunderbird
using ftp/webdav/imap servers

Rated 4 out of 5 stars (58)
33,165 users

AdNauseam

Fight back against advertising surveillance

Rated 4 out of 5 stars (6)
4,734 users

AdRemind.Me Requires Restart

Want to keep your favourite Web sites alive even when you're using Adblock Plus? AdRemind.Me helps you to supporting your favourite Web sites in deactivating periodically Adblock Plus ad filters only on these sites for 20 seconds.

Rated 4 out of 5 stars (3)
1 user

AdSidebar

Live in harmony with ads.

AdSidebar is an alternative to traditional ad blocker extensions that benefits both the user and content creators. Ads are displayed in a sidebar on the right side of the screen.

Not yet rated
14 users

Advanced Dork: Requires Restart

Advanced Dork: gives quick access to Google's Advanced Operators directly from the context menu...

Rated 5 out of 5 stars (21)
509 users

AdWords OK Requires Restart

Google Adwords Statistical Relevance View Expansion: Don't make decisions on average values. AdWords-OK expands your AdWords statistics by min and max-values. Your values will stay in the longterm with a probability of over 95% between this values.

Rated 5 out of 5 stars (2)
159 users

Ajustar Requires Restart

This extension adds a new button that adjust navigator window to page content.
Every web page has a width and height, and the navigator window usually is not fitted to the page content. With this extension you can read easier the web pages clicking ...

Not yet rated
1 user

AlexaTopSites

This add-on provides quick access to Alexa's Top Sites.

Rated 4 out of 5 stars (3)
1,582 users

All mail from all accounts Requires Restart

Add a toolbar button to send and receive all mail from all accounts for Leopard theme.

Rated 5 out of 5 stars (1)
401 users

All Menus Button

Show all the menus in a single menu button that can be placed anywhere. Also contains replacement buttons for the default menus.

Rated 5 out of 5 stars (6)
2,073 users

Allow HTML Temp Requires Restart

This Add-on allows to have HTML temporarily allowed in the currently displayed message by only one click. When switching to another message, it'll be shown automatically again in plain text or simple html mode (if this is your default mode).

Rated 4 out of 5 stars (59)
10,755 users

ALLYouTubeDownloader Requires Restart

ALLYouTubeDownloader extention (FLV/MP4/WebM; HD/HQ). Windows only. Works only with ALL YouTube Downloader 2.3 application or higher (versions 2.2 and lower doesn't work anymore).
Homepage: http://www.allplayer.org/youtube-to-allplayer

Rated 3 out of 5 stars (8)
24,790 users

Amazing Media Browser Requires Restart

A Multimedia Download Tool

Rated 3 out of 5 stars (21)
226 users