Miscellaneous
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Custom Buttons² Requires Restart
The Custom Buttons² Firefox extension provides the code base support necessary to create, maintain, import, and export custom toolbar buttons. The buttons can perform just about any task, with a large number of buttons already available on the exte...
中止ボタンがしいたけに見えて困る Requires Restart
Huh, you said the stop button looks like shiitake? No way, you must be tired.
EditEmailSubject-hotfix Requires Restart
Hotfix for EditEmailSubject version 2.1.0 by jisse44
https://addons.mozilla.org/de/thunderbird/addon/edit-email-subject/
- fixed: does not overwrite Message-ID and references with undefined
Hütte Nippon for Thunderbird Requires Restart
Display weather report for a week of Japan.
Delete Junk Context Menu Requires Restart
Adds 'Delete Mail Marked as Junk' to folders' right click...
Yandex Mail - Quick Access
Quick Access to Yandex.Mail in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.
Attachment Saver
Saves all attachments from multiple selected emails as a single zip file.
It provides an extra option in your context menu when selecting emails.
Snakes by Bluemods
Classic Snakes game at your fingertips.
Snakes by Bluemods is a free-to-play single-player classics arcade game designed and developed by Justin Gates at Bluemods.com. The game allows the players to maneuver a snake made up of tiny squares.
ChatGPT - Quick Access
Quick Access to ChatGPT in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.
Spacebar Clicker
With Spacebar Clicker, gamers can now test their spacebar speed within the browser. Every gamer can install the extension and practice to increase how many times they press the spacebar.
Display Mail User Agent T Featured
Displays the mail program with which the selected mail was written
*This addon is compatible with Thunderbird after Web Extesnsions support. Since development and operation check are done on Daily, it may not work on normal Thunderbird.
OnMail - Quick Access
Quick Access to OnMail in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.
Skiff Mail - Quick Access
Quick Access to Skiff Mail in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.
cb_thunderlink
cb_thunderlink is a thunderlink replacement.
Clickable, durable links to specific messages inside Thunderbird.
Google Calendar - Quick Access
Quick Access to Google Calendar in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.
Skiff Mail
Integrates a Skiff Mail button into the Spaces toolbar. It opens the Skiff Mail website in a new tab.
To create your own collections, you must have a Mozilla Add-ons account.