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Add-on Update Checker

Adds Tools menu item to check Add-ons for updates. Includes toolbar icon.

Rated 4 out of 5 stars (49)
14,739 users

Add-ons Button No Restart

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

Not yet rated
807 users

Add-ons Manager - Version Number No Restart

Restores add-on version number inside Add-on Manager for latest builds of Firefox, Thunderbird and Seamonkey.

Rated 5 out of 5 stars (4)
134 users

Add-ons Manager Context Menu

Add more items to Add-ons Manager context menu.

Rated 5 out of 5 stars (28)
9,532 users

Add-ons Toolbar Button

This is a small devision of my Toolbar Buttons extension. https://addons.mozilla.org/firefox/2377/ or http://codefisher.org/toolbar_button/

Rated 5 out of 5 stars (6)
26 users

Additional Chat Protocols for Thunderbird

Add support for chat protocols implemented in libpurple.

Rated 4 out of 5 stars (33)
1,830 users

Additional Folder Views

Add a new unread-favorite-recent folders treeview.

Rated 4 out of 5 stars (22)
488 users

Addons Manager Hilite No Restart

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

Rated 5 out of 5 stars (18)
854 users

Addons Quick Search

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 (9)
705 users

Addons Recent Updates

Show more addons recent updates

Rated 5 out of 5 stars (9)
1,734 users

Address book synchronizer between Memotoo.com and Thunderbird

Synchronize your address book between Mozilla Thunderbird and Memotoo.com !...

Not yet rated
2 users

Address bulk copy (アドレス一括コピー)

Thunderbird は Outlook のようにアドレス全選択からの「一括コピー」ができません。
それを実現するためのアドオンです。

Rated 5 out of 5 stars (2)
1,194 users

Address Cleaner Replying

メッセージ返信時に宛先に含まれる表示名を除去します。
A display name is erased when an e-mail screen is opened.

Rated 5 out of 5 stars (2)
502 users

Address Close Button

Adds a Address Close Button to mail compose window.

Rated 5 out of 5 stars (25)
9,421 users

Address Move Button

Allow you to add a Address Move Button to mail compose window.

Not yet rated
2,015 users

Address Widget Lines

Address Widget Lines provides the ability to select the number of address lines to display in the message compose window.

Rated 5 out of 5 stars (18)
640 users

AddressBook In Mode ToolBar

Add adressbook button to "mode toolbar" (requires lightning extention)

Rated 4 out of 5 stars (7)
1,313 users

Addressbooks Default Search No Restart

Provides ability to set default search query for address books.

Rated 4 out of 5 stars (1)
78 users

Addressbooks Synchronizer

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

Rated 4 out of 5 stars (57)
31,084 users

AddressBookTab

It adds a button that can be put in toolbars and that open the addressbook in a new tab

Rated 4 out of 5 stars (65)
13,128 users