Appearance and Customization

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Chat Notifier with Pop-Ups Requires Restart

Allows to be notified when you receive chat message in Thunderbird.

Rated 3 out of 5 stars (3)
1 user
Updated Nov. 1, 2013

Seturgent Requires Restart

Sets the urgent flag (X11) of the Thunderbird window under Linux in case of new messages. Does ignore special folders like Drafts, Junk and such.

Rated 5 out of 5 stars (2)
2 users
Updated Oct. 25, 2013

Dybutar

Dynamic creation of bookmark-style toolbar buttons which you can customize.

Rated 5 out of 5 stars (12)
5 users
Updated Oct. 19, 2013

SanRockstar Requires Restart

Music

Rated 5 out of 5 stars (3)
0 users
Updated May 10, 2013

Collapsed Unread Requires Restart

Shows unread email count for collapsed folders even if the unread mails are in subfolders.

Rated 3 out of 5 stars (6)
31 users
Updated May 9, 2013

KHANDBAHALE.COM Marathi Spell Checker. Requires Restart

KHANDBAHALE.COM Marathi Spell Checker. World's first ever spell checker for Marathi. मराठी स्पेल चेकर
# How to Use?
= Right Click to red marked misspelled word to correct it.
- http://www.khandbahale.com/ - a free multilingual dictionary!

Rated 5 out of 5 stars (1)
0 users
Updated Feb. 27, 2013

Titlebar Tabs Cleaner Requires Restart

A toolbar button to remove the tabs from the Windows titlebar back to their original place. Provides an easy way to undo the changes introduced by Thunderbird 17 or switch between the two modes effortlessly.

Rated 5 out of 5 stars (7)
73 users
Updated Dec. 23, 2012

Personas Shuffler

Change your Personas theme on each browser load.

Rated 5 out of 5 stars (17)
8 users
Updated Sept. 24, 2012

Old-style smilies Requires Restart

Reverts the smilies in Thunderbird to those of version 2.

Rated 4 out of 5 stars (1)
35 users
Updated Dec. 8, 2011

Firesizer Requires Restart

Allows you to resize the window to specific dimensions.

NOTE: Users of Firefox 29 and above must install "The Addon Bar" extension to use this, as Firesizer uses the add-on bar that has been removed in Firefox 29.

Rated 4 out of 5 stars (127)
31 users
Updated Oct. 19, 2011