Thunderbird

by Arno Nym

15 Add-ons in this Collection

Lightning by Mozilla Calendar Project

Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.

German Dictionary by KaiRo

Rated 4 out of 5 stars 46 reviews

419,128 users

German Dictionary (new Orthography) for spellchecking in Mozilla products

Remove Duplicate Messages (Alternate) by Eyal Rozenberg

Rated 4 out of 5 stars 159 reviews

64,535 users

Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).

Signature Switch by Achim Seufert

Rated 4 out of 5 stars 189 reviews

72,752 users

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

Addressbooks Synchronizer by Guenter Gersdorf

Rated 4 out of 5 stars 58 reviews

34,507 users

Synchronizes selected addressbooks with other instances of thunderbird
using ftp/webdav/imap servers

Custom Buttons by Yan, cubegm, others

Rated 4 out of 5 stars 121 reviews

6,856 users

Gives a possibility to create custom toolbarbuttons...

Display Mail User Agent by Jürgen Ernst

Displays icon for user agent of received mails.

Nostalgy by Alain Frisch

Rated 5 out of 5 stars 143 reviews

8,275 users

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

Folderpane Tools by chuonthis, Philip Chee

Rated 4 out of 5 stars 122 reviews

24,434 users

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

Display mailing list header by Jürgen Ernst

Rated 3 out of 5 stars 7 reviews

12 users

This extension implements RFC 2369 for Thunderbird: Special mailing list header fields in the mail are parsed, and the links are displayed in the extended header view. You can click them to simply go to the archive, request help or unsubscribe.

CuteMenus - Crystal SVG by mrtech, Static_Nexus, others

Rated 4 out of 5 stars 102 reviews

122 users

Note from Mozilla: This add-on has been discontinued. Try Menu Icons Plus instead.

Adds icons to all menus along with some other features...

Buttons! by chuonthis

Rated 4 out of 5 stars 61 reviews

46 users

Adds buttons to the Thunderbird toolbars such as Next! and Previous! buttons for navigating through all messages instead of just unread ones. See homepage for more...

Attachment Sizes by Frank DiLecce

Rated 4 out of 5 stars 57 reviews

183 users

Ability to see attachment sizes ...

Mnenhy by Karsten "Mnyromyr" Düsterloh

Rated 4 out of 5 stars 38 reviews

876 users

The primary goal of the Mnenhy project is to make some enhancements to SeaMonkey MailNews/Thunderbird, since there're still plenty of comfort functions missing if compared to Netscape 4.x and other mail and news clients.

Custom Buttons² by SCClockDr, nicholasalipaz, others

Rated 4 out of 5 stars 74 reviews

25 users

The Custom Buttons² Firefox extension provides the code base support necessary to create, maintain, import, and export custom toolbar buttons. The buttons can perform just about any task, with a large number of buttons already available on the exte...

What are Collections?

Collections are groups of related add-ons that anyone can create and share.

Explore Collections

More by this User

See all collections by this user