Miscellaneous

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.vcs Support

Import and export calendar files in vCalendar (.vcs) format

Rated 3 out of 5 stars (17)
9,561 users

3e Calendar

Adds support for 3e calendars

Rated 1 out of 5 stars (1)
595 users

about:kittens

Baby cats and kittens in the about box...

Rated 5 out of 5 stars (6)
53 users

about:support

A Mozilla Messaging addon to assist in product support.

Rated 4 out of 5 stars (5)
38 users

about:telemetry No Restart

Display telemetry data in about:telemetry. See http://mzl.la/WI0hZz for descriptions. See http://arewesnappyyet.com for aggregated data.

*** NOTE ***: Firefox 19+ has a built-in about:telemetry page

Rated 4 out of 5 stars (9)
271 users

AboutConfig

about:config for...

Rated 3 out of 5 stars (13)
1,214 users

Account Manager Toolbar Button

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

Not yet rated
25 users

accountex

Export/Import Account Settings.....

Rated 2 out of 5 stars (28)
7,315 users

Add Signature

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

Rated 3 out of 5 stars (33)
8,213 users

Add-on Update Checker

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

Rated 4 out of 5 stars (48)
15,961 users

Add-ons Button

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

Not yet rated
671 users

Add-ons Manager Context Menu

Add more items to Add-ons Manager context menu.

Rated 5 out of 5 stars (27)
9,928 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)
33 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)
931 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)
636 users

Addons Recent Updates

Show more addons recent updates

Rated 5 out of 5 stars (8)
1,961 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 (1)
1,036 users

Address Close Button

Adds a Address Close Button to mail compose window.

Rated 5 out of 5 stars (25)
9,619 users

After Unsent Mail Is Sent

Run a program of your choice after unsent mail has been sent.

Not yet rated
73 users

AjaXplorer for Filelink

Adds support to use Mozilla Filelink with an AjaXplorer account.

Rated 5 out of 5 stars (5)
438 users