Top-Rated Extensions
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Dialectic Dialer Requires Restart
Dial phone numbers with Dialectic (Dialectic is for OS X only). In addition, when a page loads, phone numbers can optionally be highlighted and hyperlinked to dial Dialectic.
SpamTester
SpamTester allows you to test the spam score of your email using popular anti-spam software (SpamAssassin, Rspamd...). This is useful to know if your email will fall into the recipient's spam (or even get your mail server blocked).
Orb VideoMail Requires Restart
Toolbar button for creating videomails OF ANY LENGTH right from within Thunderbird. This is videomail freed from attachments!
wikipediasearchwebapp
Adds browser action icon to toolbar to open Wikipedia-Search. See http://thunderbird-essentials.thomas-bandl.de/wordpress/2020/10/05/wikipedia-suche-button/
TileNote
Tile notes, I provide this web app. to Mozilla Thunderbird users.
This is a derivative of RainbowNote, 7 colorful week notes, with tile like shapes.
Archived-At Requires Restart
Add menu items for copying Archived-At (RFC 5064) URLs from emails
Edit Message Encoding Fallback Requires Restart
Fallback to a safe encoding, if you are replying to a message with unsupported encoding like UTF-16LE. (workaround for the Bug 961983)
archive-by-time
With the filter function comes with thunderbird, all emails met rules will be moved to a specific folder. As time passed the folder would grew bigger and I wanted to put all emails into sub folders classified by year.
tuneMDNDSN Requires Restart
fix behavior of notifications checkboxes in compose window when editing msg as new
LeftTodaySubpaneOrLogoOrClock
Append today subpane to left top or append logo or clock to left bottm.
send a gift to a friend Eunjo.
Updated as of 2021-03-31.
Updated as of 2021-08-04 for Thunderbird version 90s.
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.
GetMyInvoices
Save your attached PDF invoices or archive and store complete invoice e-mails directly to your GetMyInvoices account from Thunderbird
Rescue Conflicting Alternatives
Renders conflicting alternative bodies if the message has them.
To create your own collections, you must have a Mozilla Add-ons account.