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Greek - English (US) Spelling dictionary
Combined Greek - English (US) spell checking dictionary for Firefox - Thunderbird - Seamonkey
Zindus Requires Restart
Google and Zimbra contact sync for Thunderbird. (TB 24 and above NOT supported)
Address Move Button Requires Restart
Allow you to add a Address Move Button to mail compose window.
DOM Inspector Plus! [dm] Requires Restart
Improved DOM Inspector! [dm version]. Box Model new layout & more data, see screenshot!. Horizontal scroll for Dom-Tree, and some more.
Inspects the structure and properties of a window and its contents.
QFO - Quick Fuck Off Requires Restart
This extension serves the purpose of providing instant access to the FOAAS web service. FOAAS (Fuck Off As A Service) provides a modern, RESTful, scalable solution to the common problem of telling people to fuck off.
AttachExtraTools Requires Restart
This extension gives more options and tools to attach files from compose window.
Extra Folder Columns Requires Restart
This extension is for those TB3 users who want the multiple-columns view that TB2 allowed
IMPORTANT: If you are using Thunderbird 38 or later, uninstall this addon. The functionality is in core now.
Český slovník kontroly pravopisu (bez diakritiky)
Slovník pro kontrolu pravopisu u textů bez diakritiky pro aplikace Mozilla
Thunderbird Taiga Integration Requires Restart
Convert mails to user stories, tasks and tickets for the Taiga project management system. See https://pehei.de/post/thunderbird-taiga-integration for instructions.
Hide Menubar Requires Restart
Supports to hide Menu Bar automatically, you can press the ALT key to show it temporarily.
Any Confirmation Message before Send Requires Restart
You can set Any Confirmation Message before Send.
Forward Requires Restart
Add Inline / As Attachment option to Forward button and Message context menu.
Great DANE Requires Restart
Retrieve DANE S/MIME Certificates for Encryption/Signing.
This extension enables users to automatically retrieve S/MIME certificates using the Great DANE Engine (https://github.com/grierforensics/Great-DANE-Engine).
Chat Notifier (for Thunderbird) Requires Restart
Permet d'etre notifié des nouveaux messages du chat.
QuickFileMail Requires Restart
QuickFileMail is a Thunderbird Add-On that helps to quickly file messages in the right folder.
CantoFish Requires Restart
CantoFish is a popup Cantonese-English dictionary for Firefox. It contains over 200,000 entries and works with both traditional and simplified Chinese characters. The Yale and Jyutping romanization systems are supported, as well as Mandarin pinyin.
SavedSearchThemAll Requires Restart
A Thunderbird extension to automagically extend all the saved searches to all the foders!
To create your own collections, you must have a Mozilla Add-ons account.