Default Thunderbird

by accord

19 Add-ons in this Collection

Evernote Web Clipper by Evernote

Rated 2 out of 5 stars 904 reviews

374,069 users

Use the Evernote Web Clipper to save things you see on the web into your Evernote account.

Quicktext by WizKid, R Kent James

Rated 4 out of 5 stars 332 reviews

88,607 users

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

Confirm-Address by Meatian, urakami, others

Rated 4 out of 5 stars 32 reviews

53,812 users

Confirm E-mail address before sending mail

Display Mail User Agent by Jürgen Ernst

Displays icon for user agent of received mails.

Folderpane Tools by chuonthis, Philip Chee

Rated 4 out of 5 stars 122 reviews

35,104 users

Allows for customization of the folder pane. Accounts can be rearranged and the startup folder can be chosen.

Tag Toolbar by H.Ogi

Rated 4 out of 5 stars 45 reviews

17,391 users

Add toolbar for toggling tags.

Auto Address Cleaner by markopee

Rated 4 out of 5 stars 49 reviews

17,471 users

Removes comment, display name automatically from addresses before sending mail.

Nostalgy by Alain Frisch

Rated 5 out of 5 stars 147 reviews

9,484 users

Keyboard shortcuts to change folder, move/copy messages, with folder name auto-completion.

Address Close Button by 46emak

Rated 5 out of 5 stars 25 reviews

13,532 users

Adds a Address Close Button to mail compose window.

QuoteCollapse by Michael J Gruber

Rated 4 out of 5 stars 26 reviews

10,090 users

Collapse and expand quotes. Please see the extension homepage for...

Keyword Highlight by genta

Rated 4 out of 5 stars 20 reviews

4,162 users

Keywordhighlight changes color/size/weight of your favorite keywords...

Second Search by Piro (piro_or)

Rated 4 out of 5 stars 26 reviews

1,756 users

Second Search provides a feature to search by other engines directly, without switching the engine of the web-search bar.

Quote Colors by Malte Ruecker

Rated 4 out of 5 stars 43 reviews

14,473 users

Quote Colors allows you to select text and background colors of different quote levels which are applied when reading or printing mail/news messages. Additionally, you can choose between graphical and traditional plain text quoting display mode.

InfoLister by Nickolay Ponomarev

Rated 4 out of 5 stars 30 reviews

1,139 users

Lists installed add-ons (extensions, themes, plugins). Compatible version linked from the Developer comments section at the bottom of the addon's page.

Contacts Sidebar by Jeroen Peters

Rated 4 out of 5 stars 276 reviews

31,440 users

Displays the address books in a sidebar in Thunderbirds 3-pane-window and can be toggled with the F4 key or a toolbar button.

Visit my Contacts Sidebar site for recent versions and news.
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