Miscellaneous
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Calendar Tweaks
Requires Restart
Allows several tweaks to the Thunderbird/Lightning calendar user interface including new selection styles and repeating event icons. Mimics the colors and styles found in MS Outlook.
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.
Add Signature
Requires Restart
Simply add your signature manually (right mouse click) to your emails
IMAP Quota (Free Space)
Requires Restart
This Thunderbird addon lets you customize the IMAP quota statusbar panel.
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.
Whatsapp - Quick Access
Quick Access to Whatsapp Web in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.
JavaScript Debugger
Requires Restart
As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.
Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aimed to provide a powerful JavaScript debugging environment for Mozilla based browsers.
Microsoft Teams - Quick Access
Quick Access to Microsoft Teams in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.
ThunderStats! Your Thunderbird Statistics!
Do you remember the old good Eudora statistics? Do you miss them?
Using this addon you can finally keep an eye on how you use your beloved Thunderbird!
Microsoft To Do - Quick Access
Quick Access to Microsoft To Do (Live) in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.
Unified Folders Debugging
An add-on to help debugging problems with the Unified Folders mode.
Gemini - Quick Access
Quick Access to Google Gemini AI (formerly Bard) in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.
To create your own collections, you must have a Mozilla Add-ons account.