Appearance and Customization
Displays tabs which allows quick navigation between time periods in Lightning calendar. All views of calendar are supported. Color of tab texts can be adjusted.
Causes Thunderbird's main window to minimize instead of closing. You can still close Thunderbird through the menu.
Add toolbar for toggling tags.
Phoenity icons for Thunderbird
Checks all installed add-ons for compatibility with Thunderbird 102 (next ESR) and displays status information on a button in the main toolbar. This button will open a detailed overview, including links to alternatives for abandoned add-ons.
Message Printing Tools (NextGen)
PrintingTools NG provides numerous layout and formatting options for
printing messages with header sorting, attachment lists, borders etc.
Limits displayed headers to 1 or 2 lines.
Shows a colorful border around the "New Message" window, so you can tell different identities apart.
Builds on the original BorderColors and the "GT" version, adding different border styles.
Dark mode for every email. Take care of your eyes, use dark theme for night and daily messaging.
Colored Folders Requires Restart
Add colors to your folders in Thunderbird!
Must-have for better organisation + intuitive and speedy workfow...
This is project "Color Folders" (originally by Fisheater), corrected, resurrected, restaurated, extended and republished.
The add-on provides a combined Get and Send button with a context menu with additional features.
Adds a full sender and recipient e-mail column to message list panel.
Google Tabs for Thunderbird! G-Hub Lite supports Calendar, Contacts, Drive, Docs, Sheets, Slides, Maps, Search, & Voice. Need Google Workspace support (formerly G Suite)? Check out G-Hub Pro: https://www.schiffner.com/index.php/software/g-hub-pro
Adds some toolbar buttons using phoenity icons.
Removes the 'Local Folders' entry from the folder pane.
(The folder itself will stay existent.)
(Based on the original work of Alex Cabal.)
Blinking Alert Requires Restart
Adds blink feature to the new-mail alert.
You can also disable auto-hiding of the alert.
You can change icon display and button order. You can also hide unnecessary buttons.
Configure text and background colors of quotes in mail and news messages. From up addon version 3 (Thunderbird 91) you can collapse quotes.
This extension will minimize Thunderbird on startup, it is very simple and I didn't put much work into it but it should work on all platforms. Please let me know if you want more features added into it.
Hide Local Folders Requires Restart
Removes the "Local Folders" entry from the folder pane.