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GCalTab

GCalTab is a Thunderbird add-on that opens Google Calendar website in a Thunderbird tab. It features a beautiful dark mode thanks to the DarkReader algorithm.

Not yet rated
28 users
Updated June 4, 2020

Copy Message ID

Adds a button to the message view toolbar to copy the message ID to the clipboard. This is useful when sending email replies via the command line.

Rated 4 out of 5 stars (1)
153 users
Updated June 4, 2020

CardBook Requires Restart

A new Thunderbird address book based on the CardDAV and vCard standards.

Twitter: @CardBookAddon

Rated 4 out of 5 stars (245)
51,973 users
Updated June 3, 2020

Filter Button Requires Restart

Allows to add a button to the message header view toolbar that shows all filters that match the selected message, including manual and disabled filters. A click on the button allows to select a filter to run.

Rated 4 out of 5 stars (16)
226 users
Updated June 3, 2020

QuickFolders (Tabbed Folders) Requires Restart Featured

The "Swiss army knife" of folders. Turn your favorites into tabs - open folders and subfolders, move mails without scrolling around or searching. powerful + easy.

See new mail at a glance after automatic filtering - supports quickFilters addon!

Rated 5 out of 5 stars (143)
26,281 users
Updated June 3, 2020

MailHops Requires Restart

MailHops maps the route an email took to get to you. Displaying the senders location, weather, user-agent and authentication used.

Rated 4 out of 5 stars (29)
2,350 users
Updated June 3, 2020

AutoBucket

This is an extension function that classifies emails into multiple buckets using the Bayesian filter and tags them.

Rated 3 out of 5 stars (2)
6 users
Updated May 29, 2020

DeepDark for Thunderbird Requires Restart

Dark mode for Thunderbird UI

Rated 5 out of 5 stars (29)
8,764 users
Updated May 28, 2020

Display Mail User Agent T Requires Restart

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.

Rated 5 out of 5 stars (5)
3,884 users
Updated May 28, 2020

Minimize on Close

Causes Thunderbird's main window to minimize instead of closing. You can still close Thunderbird through the menu.

Rated 4 out of 5 stars (29)
12,491 users
Updated May 28, 2020

Rise of the Tools

Moves the toolbar back above the tabbar.

Rated 5 out of 5 stars (57)
2,619 users
Updated May 28, 2020

Send Later Requires Restart Featured

True "Send Later" functionality to schedule the time for sending an email.

Rated 5 out of 5 stars (178)
83,232 users
Updated May 28, 2020

*cloud - FileLink for Nextcloud and ownCloud

Upload large attachments to your Cloud and send the link by email

Rated 5 out of 5 stars (8)
3,995 users
Updated May 26, 2020

ThunderLink Requires Restart

Clickable, durable links to specific messages inside Thunderbird.

Rated 4 out of 5 stars (18)
1,062 users
Updated May 23, 2020

MyPhoneExplorer Requires Restart

This Addon is needed to sync your Android based smartphone with Thunderbird with the Software "MyPhoneExplorer"

Not yet rated
12,292 users
Updated May 19, 2020

TBDialOut Requires Restart

Place phone calls directly from Thunderbird's address book

Rated 5 out of 5 stars (12)
898 users
Updated May 19, 2020

Thunderbird Conversations Requires Restart

This addon provides a conversation view for Thunderbird, grouping messages together and allowing you to reply "inline" thus providing a more efficient workflow.

Rated 4 out of 5 stars (458)
21,063 users
Updated May 17, 2020

Dictionary for recipient

Sets the spell check dictionary based on the first recipient

Not yet rated
148 users
Updated May 16, 2020

SpoofDetection

Diese Erweiterung überprüft ungelesene E-Mails auf Spoofingversuche. Die E-Mails werden mithilfe von fünf unterschiedlichen Tests untersucht um deren Legitimität festzustellen. Die Tests werden einzeln erklärt auf der Einstellungsseite.

Not yet rated
1 user
Updated May 14, 2020

TransliteRussian for Thunderbird

E-Mails auf Russisch auf der deutschen Tastatur in Thunderbird.
E-mails in russian on german keyboard in Thunderbird.
Пишем письма по русски на немецкой клавиатуре в Thunderbird.

Not yet rated
8 users
Updated May 10, 2020