Extensions by Name

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Add Birthdays To Calendar Requires Restart

Birthdays from addressbook-contacts will be added as events to Lightning...

Rated 3 out of 5 stars (22)
134 users

Add Signature Requires Restart

Simply add your signature manually (right mouse click) to your emails

Rated 3 out of 5 stars (36)
9,322 users

Add-on Preferences Button

Displays a menu that allows you to open the option/preference window for any add-on that has one.

Rated 5 out of 5 stars (2)
364 users

Add-on Update Checker Requires Restart

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

Rated 4 out of 5 stars (56)
12,479 users

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 (3)
2,083 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 (20)
1,901 users

Add-ons Manager Context Menu Requires Restart

Add more items to Add-ons Manager context menu.

Rated 5 out of 5 stars (37)
65,255 users

Add-ons Toolbar Button Requires Restart

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)
23 users

Additional Chat Protocols for Thunderbird Requires Restart

Add support for chat protocols implemented in libpurple.

Rated 3 out of 5 stars (35)
1,873 users

Additional Folder Views Requires Restart

Add a new unread-favorite-recent folders treeview.

Rated 4 out of 5 stars (22)
462 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)
725 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)
707 users

Addons Recent Updates Requires Restart

Show more addons recent updates

Rated 5 out of 5 stars (9)
1,782 users

Address book synchronizer between Memotoo.com and Thunderbird Requires Restart

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) Requires Restart

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)
2,288 users

Address Cleaner Replying Requires Restart

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)
629 users

Address Close Button Requires Restart

Adds a Address Close Button to mail compose window.

Rated 5 out of 5 stars (25)
15,531 users

Address Move Button Requires Restart

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

Not yet rated
4,649 users

AddressBook In Mode ToolBar Requires Restart

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

Rated 4 out of 5 stars (7)
1,540 users

Addressbooks Default Search

Provides ability to set default search query for address books.

Rated 4 out of 5 stars (2)
202 users