Anthony C Howe.
Freeware
A Thunderbird ™ extension that provides purge and delete-junk toolbar buttons.
Arnaud Abelard
Freeware
It displays the current status of your IMAP quota in thunderbird's status bar.
Pawel Krzesniak, R Wahl
Freeware
Mail Redirect allows you to redirect mails to other people.
Brand Thunder
Freeware
The Hockey News Browser Theme is a browser addon with your favorite team.
1
PeaZip Browser Addon
2
Freeware
Enables your browser to get the freshest content from PeaZip Community.
27
MyEmoticons.com
6,619
Freeware
Use additional emoticons on Facebook, Gmail, and Twitter.
1
Mozilla
351
Open source
An open source, Mozilla Thunderbird-based mail, news and chat client.
91
QUALCOMM Incorporated
3,613
Shareware
Eudora is a mail and news application based on Thunderbird client from Mozilla.
StaticBackup Inc.
18
Shareware
How to backup Thunderbird settings and messages? Use this Thunderbird Backup utility. Thunderbird Ba....
4
Felix Geyer
151
Thunderbird-Tray is a system tray launcher tool for Mozilla Thunderbird.
Country Electronics
5
Freeware
Thunderbird Phoenix - 31 full colour pages packed with exciting Thunderbird tool.
Thunderbird2GroupWise
4
Freeware
Thunderbird 2 GroupWise transfers e-mails from Thunderbird into GroupWise.
87
PCVARE Solutions
95
Shareware
Convert Thunderbird to Windows Live Mail. Convert Thunderbird to Eudora.
64
100dof
35
Freeware
Thunderbird Fix It is an to maintain your Thunderbird's local folders.
backupthunderbird.com
548
Freeware
Backup Thunderbird is a free Thunderbird backup utility for Windows.
BitRecover
6
Shareware
Backup Thunderbird email with attachments using Thunderbird Backup Software.