Add-ons
Newest Extensions
Sort by:
Spamato4Thunderbird
Requires Restart
A multi-faceted, collaborative approach against spam.
Custom Buttons
Requires Restart
Gives a possibility to create custom toolbarbuttons...
MozLab
Requires Restart
Remote shell and test-driven development tool for Mozilla developers
whatmon
Requires Restart
Monitor Whatever: a tiny Firefox extension called whatmon, which can monitor almost anything you wish to monitor. Number of logged on users? Current load average? Health of your LDAP servers? Mail server queues? No problem for...
Habu
Requires Restart
*This extension was formerly known as Okopipi*
Please be sure to visit the homepage and forums to provide your input for the future of Habu.
Support can be found at http://forums.mosinu.com/viewforum.php?f=5
Greek Translator
Requires Restart
Translates English to Greek and vice versa.
Mailbox Alert
Mailbox Alert allows you to specify, for each seperate mail folder, a message, sound and/or a system command that will be executed when new mail is found there. ...
SJCall
Requires Restart
SJCall is a beta version of a VoIP extension enabling you to place telephone calls directly from the Mozilla applications using SJphone, the world-leading Internet softphone...
Indic IME
Requires Restart
Indic IME toolbar facilitates typing in Indian Languages in web pages...
Orb VideoMail
Requires Restart
Toolbar button for creating videomails OF ANY LENGTH right from within Thunderbird. This is videomail freed from attachments!
Copy Sent to Current
Allows to place a copy of sent messages (aka FCC) into the currently active folder or any other folder you choose, when you create the message. Usually the copies are placed into the 'Sent' folder. For replies, you may also move the original message.
Sieve
This Extension implements the ManageSieve protocol for securely managing Sieve Script on a remote IMAP server...
Addressbooks Synchronizer
Synchronizes selected addressbooks with other instances of thunderbird
using local files, webdav servers or imap servers
Mnenhy
Requires Restart
The primary goal of the Mnenhy project is to make some enhancements to SeaMonkey MailNews/Thunderbird, since there're still plenty of comfort functions missing if compared to Netscape 4.x and other mail and news clients.
Duplicate Contact Manager
Requires Restart
Facilitates handling of duplicates in your address book(s). Allow to search and remove similar contacts.
Nostalgy
Requires Restart
Keyboard shortcuts to change folder, move/copy messages, with folder name auto-completion.
Thunderbird Message Filter Import/Export
Requires Restart
Thunderbird Message Filter Import/Export is a thunderbird/mozilla extension to import/export message filters.
rikaichan
Requires Restart
Japanese to English/German/French/Russian dictionary. Just hover the mouse on top of a word, and a popup appears. Automatically de-inflects verbs and adjectives. Detailed kanji view...
TryAgain
Requires Restart
TryAgain keeps trying to load a webpage when the server cannot be reached.
Get before Send
Requires Restart
Get messages for the account which is bound to the identity then send the message when you click the toolbar button or the menu item. If your SMTP sever authenticates using POP(IMAP) before SMTP, the extension is useful.
To create your own collections, you must have a Mozilla Add-ons account.
