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Priority Switcher
Change priority of the received messages from the toolbar button and the context menus...
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Addons Quick Search
Requires Restart
Type first letters of add-on name to find them in the list or press Ctrl+↑/↓ to switch between add-ons categories.
Additionally remember and restore last selected item in each list.
Novacoin Antispam
Requires Restart
Keep a correspondence with only the well off people.
For donate 4VgkLjNQHDcawXbvuTry3X4V2WEXP66vay
Extension Auto-Installer
Important note: This extension will not work in Firefox 57 and above. Providing this functionality in Firefox is no longer possible, the extension is discontinued.
Zombie Keys (Multilanguage Keyboard)
Requires Restart
Enter accents, diacritics, diaeresis, umlauts, ligatures etc. with keyboards of various countries (us,uk,ie,fr,it,ru,de,sv) - via easy to remember shortcuts or menu. Also supports all textboxes of the application (such as search, filters).
KeePass Helper
Requires Restart
Adds a hostname, URL, or email account ID to the application's window name (e.g., that of Firefox or Thunderbird) to make it recognizable to password manager utilities like KeePass.
ToneQuilla
Requires Restart
Adds a new action to mail filters to allow playing a particular sound when the filter matches. Also includes several sample sound files.
For Thunderbird 78 support of sounds, please check out Filtaquilla 3.1
Tangerinebird
Requires Restart
Theme with Tangerine icons for Thunderbird. A variant of the Tango theme.
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...
ThamiZha! Solthiruthi(Tamil spellchecker)
Tamil Spell checker by Thamizha.com Team.
Its creators include Ve. Elanjelian, S. Muguntharaj, Radhakrishnan, Vijay, A. Suji, Malathi Selvaraj, Sri Ramadoss, Yagna Kalyanaraman, Lavanya Sundararajan, Pranava Swaroop and Siddarth Vengatesan.
AMBER A.I.
Requires Restart
Artificial intelligence-based aircraft parts procurement and RFQ sending tool for Thunderbird
Yelp Search Toolbar
Requires Restart
YELP SEARCH TOOLBAR, NOW IT MORE EASY TO REVIEW & TALK ABOUT WHAT'S GREAT - AND NOT SO GREAT - IN YOUR AREA
TB Menubar Unread Notifier
Requires Restart
Output the number of unread messages in all inboxes into the temporal file /tmp/testUnread. As a result, this output file can serve as an input for other applications to read and show notification either on a dock bar or on the menubar.
Stylish Tools
Requires Restart
Quicker access to several Stylish features through a toolbar button and/or keyboard shortcuts. Available for Firefox, Thunderbird, and SeaMonkey
Window Master
Functionality for multiple screens and windows. Easily open links in other windows or on other screens, move or merge tabs, and move or merge entire windows. With graphical controls for grid positioning.
Send to Internals
Requires Restart
Provides a special button to send mail to internals. "Internals" may be company, organization, or user group and so on.
Return Receipt Toolbar Button
Requires Restart
Allow you to add a Return Receipt button to mail compose window toolbar.
FolderFlagsTo create your own collections, you must have a Mozilla Add-ons account.
