Most Popular Extensions
Cat Attack Quick Button Requires Restart
Easily visit the site for The Cat Attack Fishing Tournament.
Timer Fire Requires Restart
A simple tool to trigger some of the background timers.
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.
Message Notes Requires Restart
Add Notes to messages. Notes are stored in a plaintext file, typically in your profile. The plaintext notes file can be stored elsewhere to enable sharing of notes across a...
PONG! Multiplayer Requires Restart
Play a game of PONG! while you are waiting.
Prevent accidental interaction with tab contents
Last Message Requires Restart
Navigate the folder to the last message in the moment the folder is opened.
Bugzilla Helper Requires Restart
Quickly reply to your bugmail on bugzilla.mozilla.org without leaving Thunderbird.
One Click Search Requires Restart
One-click search similar to The Bat! program.
Shedule Filters Requires Restart
Sheduled run message filters
Запуск фильтров сообщений по расписанию
Rspamd-spamness Requires Restart
Rspamd spam filtering system score visualization.
Provides button to copy the list of current reminders to the clipboard.
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.
FlatStyle for Thunderbird Requires Restart
This gives you a style similar to MS Office XP in your Thunderbird menus and toolbars, and Calendar as well if you have that installed. It also changes the category-selector in the options window to use your system colors, instead of always being...
DisableChunks Requires Restart
The addon modifies the mail.imap.min_chunk_size_threshold preference value by setting it to 100000000.
It is a workaroud to bug 1216951
Run Filters on Folder button Requires Restart
A 'Run Filters on Folder' toolbar button. Based on http://developer.mozilla.org/en/docs/Custom_Toolbar_But...
Old Addon Manager Requires Restart
Brings back Firefox 3.x Addon Manager
Posting Style Enforcer Requires Restart
Automatically converts top-posted messages to use bottom-positng or vice versa. Interleaved posts are left alone. Detects automatically added text and supports a per-contact list of exceptions.
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.
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...