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ThunderHTMLedit

Thunderbird HTML editor. This add-on adds a HTML tab to the composition window where you can see and edit the HTML source of the message.

Rated 5 out of 5 stars (27)
13,566 users
Updated Oct. 27, 2020

Colored Diffs

Color diffs sent by SVN/CVS/GIT/Mercurial...

Rated 4 out of 5 stars (20)
405 users
Updated Oct. 27, 2020

Pywalfox

Dynamic theming of Thunderbird using your Pywal colors.

https://github.com/Frewacom/pywalfox

Rated 5 out of 5 stars (1)
173 users
Updated Oct. 26, 2020

Web Translate

The best Translator for your new Thunderbird 78!
Available also for your Firefox web browser.

Rated 5 out of 5 stars (1)
138 users
Updated Oct. 26, 2020

marked-lightning

Extension for Lightning: Allows the use of Markdown in Task descriptions and renders them as HTML in the TaskView.

Not yet rated
91 users
Updated Oct. 26, 2020

LookOut (fix version)

LookOut is a plugin which allows Thunderbird to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).
Support: Thunderbird

Rated 4 out of 5 stars (67)
127,936 users
Updated Oct. 26, 2020

TabsInStatusbar&IconsInMenubar

Move tabs in status bar and iconify menu bar.

This add-on researches new tabs' position and menubar iconification.
This add-on is good to view it on Light theme.
This add-on is as role as if task bar of Windows.

Life in Holy Spirit.

Not yet rated
6 users
Updated Oct. 26, 2020

Compact Headers

Limits displayed headers to 1 or 2 lines.

Rated 5 out of 5 stars (17)
2,529 users
Updated Oct. 25, 2020

Auto Select Latest Message

Automatically select and display latest message from the list on startup or when switching folder for the first time.

Rated 4 out of 5 stars (26)
809 users
Updated Oct. 25, 2020

Signature Switch

Switch the signature on/off or choose a new one from your predefined set.

Rated 4 out of 5 stars (231)
55,605 users
Updated Oct. 24, 2020

UrgentMail

Raise X11 urgent flag if new mail is received.

This addon listens for incoming mails and causes the Thunderbird window to draw attention.

Not yet rated
7 users
Updated Oct. 23, 2020

NestedQuote Remover

Remove nested quotes when replying to a mail.

Rated 4 out of 5 stars (12)
1,458 users
Updated Oct. 23, 2020

Xpunge

Empties the Trash and Junk folders, and compacts folders in multiple Thunderbird accounts.

Rated 5 out of 5 stars (48)
10,924 users
Updated Oct. 23, 2020

TransliteRussian for Thunderbird

Печатаем по русски на разных клавиатурах.
E-Mails auf Russisch auf verschiedenen Tastaturen in Thunderbird.
Typing Russian on English, German and other keyboards without thinking about the layout.

Rated 4 out of 5 stars (1)
27 users
Updated Oct. 22, 2020

Thunderbird Conversations Featured

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 (468)
23,407 users
Updated Oct. 22, 2020

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.

Rated 5 out of 5 stars (10)
5,961 users
Updated Oct. 22, 2020

Attach from Clipboard

Create file attachments directly from the system clipboard.

Rated 4 out of 5 stars (18)
2,947 users
Updated Oct. 22, 2020

Spam Scores

Displays spam scores according to mail headers. Supports spam/ham score headers of Rspamd and SpamAssassin. The add-on adds a column with the overall spam score to the mail list view and shows details of any matched spam/ham rule.

Rated 5 out of 5 stars (3)
102 users
Updated Oct. 22, 2020

Quicktext

Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.

Rated 4 out of 5 stars (389)
115,240 users
Updated Oct. 21, 2020

CardBook Featured

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

Twitter: @CardBookAddon

Rated 4 out of 5 stars (272)
57,139 users
Updated Oct. 21, 2020