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Mail Redirect Requires Restart

Allow to redirect (a.k.a. "remail") mail messages to other recipients.

Rated 4 out of 5 stars (130)
36,907 users
Updated Oct. 9, 2019

URL Link Requires Restart

URL Link is a small Thunderbird extension that allows you to select a non-URL in a mail/news message or web-page, and open it in a browser window.

Rated 4 out of 5 stars (1)
2,396 users
Updated Oct. 3, 2019

FileLink provider for WebDAV

Uploads your large attachments to your WebDAV account instead of sending them by email.

Not yet rated
339 users
Updated Oct. 3, 2019

Quicktext Requires Restart

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 (343)
97,638 users
Updated Sept. 28, 2019

LaTeX It! Requires Restart

This addons allows you to write LaTeX expressions in your emails such as $x^2$ or $$\sum_{x=0}\infty$$ and have them all replaced by a PNG image with the corresponding formula inside.

Rated 4 out of 5 stars (33)
1,733 users
Updated Sept. 26, 2019

Auto Save Drafts Folders Requires Restart

Allows auto saved drafts to be stored in a separate folder from purposely saved drafts.

Rated 5 out of 5 stars (10)
661 users
Updated Sept. 26, 2019

Add Signature Requires Restart

Simply add your signature manually (right mouse click) to your emails

Rated 3 out of 5 stars (42)
5,736 users
Updated Sept. 26, 2019

Evernote Tab Requires Restart

Add a button and a menu to open Evernote in tab.

Rated 3 out of 5 stars (9)
185 users
Updated Sept. 21, 2019

Xpunge Requires Restart

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

Rated 4 out of 5 stars (39)
11,520 users
Updated Sept. 16, 2019

Teamworkx Thunderbird Integration for Jira Requires Restart

This is a add-on for Thunderbird as well as Seamonkey which is able to create Atlassian Jira issues out of e-mails or add the content of an e-mail as a comment on an Jira issue.

Rated 4 out of 5 stars (13)
361 users
Updated Sept. 9, 2019

ThunderKeepPlus Requires Restart

Google Keep for Thunderbird

Rated 5 out of 5 stars (15)
3,785 users
Updated Sept. 7, 2019

Mail Sent Notifier Requires Restart

Allows to notify a HTTP-GET based webservice after successfully sent an email, e.g. for time registration systems.

Not yet rated
54 users
Updated Sept. 5, 2019

ConfirmBeforeDelete Requires Restart

Ask a confirm before to delete some items

Rated 4 out of 5 stars (4)
480 users
Updated Sept. 5, 2019

Provider for Google Calendar Requires Restart

Allows bidirectional access to Google Calendar

Rated 4 out of 5 stars (1,053)
291,045 users
Updated Sept. 4, 2019

Imap-ACL-Extension Requires Restart

Extension to manage acls/permissions for shared mailboxes/folders on imap servers.

Rated 4 out of 5 stars (12)
2,014 users
Updated Sept. 3, 2019

Gmail Buttons Requires Restart

Adds message-specific buttons to Thunderbird that are consistent with the way Gmail handles Trash and Spam.

Rated 3 out of 5 stars (11)
465 users
Updated Aug. 20, 2019

IMAP Quota (Free Space) Requires Restart

This Thunderbird addon lets you customize the IMAP quota statusbar panel.

Rated 5 out of 5 stars (4)
3,984 users
Updated July 25, 2019

Open With Requires Restart

Open With can open your web links in any browser installed on your computer.

Rated 5 out of 5 stars (3)
1,562 users
Updated July 15, 2019

FiltaQuilla Requires Restart

Adds many new mail filter actions - launch a file, suppress notification, remove star or tag, mark replied or unread, copy as "read", append text to subject.

Rated 4 out of 5 stars (83)
10,381 users
Updated July 1, 2019

Year view Requires Restart

Year view for calendar.

Rated 4 out of 5 stars (50)
2,655 users
Updated June 26, 2019