Most Popular Extensions
Cat Attack Quick Button Requires Restart
Easily visit the site for The Cat Attack Fishing Tournament.
xultray for gecko 1.9.2 Requires Restart
Show xul application (gecko 1.9.2 based) in system tray. supports Firefox 3.6 / 3.7 , Thunderbird 3.1
Close Tab By Double Click Requires Restart
Close active tab by double-clicking it.
SMS Sidebar Requires Restart
If you work in front of a computer and send a lot of SMS text messages this is for you. Finally you can send SMS from the privacy of your Mozilla application. The focus of this addon is on efficiency, ease of use and easy access to advanced SMS featu...
Sets the spell check dictionary based on the first recipient
rmIncomingDups Requires Restart
rmIncomingDups is a Thunderbird extension that checks if there are duplicate messages across accounts.
When a new mail arrives rmIncomingDups checks according to the rules configured if it finds some duplicates and removes them.
pkrss Requires Restart
pkrss is one rss tools, it embed http://www.pk17s.cn.
contact with google rss feed,join in multi lanauage support,if default panel has no feed,your can search some feed by keyword in topbar.
Personasizer allows you to expose more of your persona's header image. Useful for personas that have text or an important part of their content cut off by the browser's navigation elements.
Custom Alarms Requires Restart
Customize the reminder dropdown in Sunbird and Lightning's event and task dialog.
To configure this extension, open the addon preferences from the addons manager.
arXiv Requires Restart
Adds direct links to the article PDF and BibTeX information to arXiv email listings. BibTeX information can be used in reference managers such as JabRef by Copy & Paste.
New Mail Icon Requires Restart
Displays an icon in the system tray when new mail arrives.
TexTra Thunderbird Requires Restart
Channel Guard Requires Restart
Channelguard disables plugins and protocol handlers to ensure maximum security against side-channel attack.
Adhiyan Requires Restart
Adhiyan is a tool to convert and view TSCII/TUNE/TAB/TAM/DailyThanthi/Dinamani/Chenet/Kambar encoded Tamil content to UNICODE Tamil.
pass-manager Requires Restart
Replace integrated password managers storage with zx2c4's pass (www.passwordstore.org)
Indian Language Transliterator Requires Restart
Indian Language Transliterator (developed at IIIT Hyderabad, India) is a Mozilla Thunderbird Add-on, developed to enable Thunderbird users to compose and send messages in 10 Regional Indian Languages, using their regular QWERTY keyboard!!!
Easy Get Mail Button Requires Restart
Makes the 'Get new messages' button context-sensitive. Select an account root folder to get messages for that account, any other folder to get messages for all...
Block unwanted ads.
Kmaleon Extension Requires Restart
Con esta extensión podrás hacer una copia de tus emails en el programa kmaleon.