Add-ons
Favorites
by Destroy666
About this Collection
My favorite add-ons
9 Add-ons in this Collection
Provider for Google Calendar
by Philipp Kewisch
187,541 users
Allows bidirectional access to Google Calendar
CardBook
Manually sort folders
by Jonathan Protzenko, Itagaki Fumihiko
11,781 users
This extension allows you to manually sort (order) your folders in the folder pane of Thunderbird or automatically sort them, but in a better way. This extension also allows you to re-order accounts in the folder pane.
Send Later
by Jonathan Kamens, Jonathan Perry-Houts
101,889 users
True "Send Later" functionality to schedule the time for sending an email.
Remove Duplicate Messages
by Eyal Rozenberg
93,964 users
Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).
Mailbox Alert
by Tjebbe
1,460 users
Mailbox Alert allows you to specify, for each seperate mail folder, a message, sound and/or a system command that will be executed when new mail is found there. ...
Attach from Clipboard
by Michael Ganss
5,622 users
Create file attachments directly from the system clipboard.
Sender Frequency
Minimize on Close
by rsjtdrjgfuzkfg
39,215 users
Causes Thunderbird's main window to minimize instead of closing. You can still close Thunderbird through the menu.
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