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Check Domain
Requires Restart
This extension is to display the warning dialog when you send mail for multiple domains.
Greek - English (US) Spelling dictionary
Combined Greek - English (US) spell checking dictionary for Firefox - Thunderbird - Seamonkey
Thunderbird Biff
Requires Restart
This add-on provides a visual indicator of new Thunderbird mail availability in supported clients (Firefox, Sunbird) and Thunderbird itself. Note: you MUST install this add-on in BOTH Thunderbird and supported clients as there are both client AND ser...
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.
Show Calendar Week
Requires Restart
Shows the calendar week Thunderbird/Lightning calendar's moth and multi-week view.
Yet Another Remove It Permanently
Requires Restart
Remove elements and block content on Web pages.
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.
Tiny JavaScript Debugger
TinyJSD is a JavaScript debugger for privileged code running Mozilla products like Firefox, Thunderbird, SeaMonkey. It serves to debug the application as well as extensions written in JavaScript.
Color Text Compose Buttons
Requires Restart
Adds Text Color Buttons in Compose Toolbar and More: Pixel FontSize, Strikethough, Sub & Superscript, Lower & UpperCase. Also provide Tools: Insert iframe, Launch MathType, Maths & Greek Symbols, Load Template Variables and Duplicate Compose Window.
URLFilter
SMTP Switch Reborn
Profile Buttons
A button to be able to open the profile folder, along with two buttons to create profiles, and also switch the current profile.
Expand mailing list recipients
Requires Restart
Adds a toolbar button to expand address book lists to its recipients - useful to stripe out some of them when sending mail...
Tab Wheel Scroll
Any Confirmation Message before Send
Requires Restart
You can set Any Confirmation Message before Send.
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