Thunderbird

by schnittsche2001

27 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.

Provider for Google Calendar by Philipp Kewisch

Rated 4 out of 5 stars 973 reviews

304,892 users

Allows bidirectional access to Google Calendar

gContactSync by Josh Geenen

Rated 4 out of 5 stars 244 reviews

85,259 users

Synchronizes contacts & groups between Thunderbird or SeaMonkey and Google Contacts. Imports Facebook friends, contacts you follow on Twitter, and more.

Quicktext by R Kent James, John Bieling, others

Rated 4 out of 5 stars 311 reviews

86,034 users

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

Remove Duplicate Messages (Alternate) by Eyal Rozenberg

Rated 4 out of 5 stars 175 reviews

66,031 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 194 reviews

64,703 users

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

QuickFolders (Tabbed Folders) by Realraven (Axel Grude), Alexander Malfait

Rated 5 out of 5 stars 121 reviews

20,287 users

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!

Stationery by Arivald

Rated 4 out of 5 stars 107 reviews

30,722 users

Extension to mimic Outlook Express Stationery.
Allow you to use HTML files as templates for mail. Also allow custom template in replies or forwarded mail!

Toolbar Buttons by Button Guy

Rated 4 out of 5 stars 356 reviews

14,520 users

Adds toolbar buttons to the customize toolbar window in several programs including Firefox, Thunderbird and SeaMonkey. Some of the buttons make commonly preformed actions quicker, others add new functionality.

MinimizeToTray by Mook, Brad Peterson

Rated 4 out of 5 stars 463 reviews

435 users

Minimizes Mozilla windows into the system tray. Also includes a right clickable tray icon menu to further load only the windows you want visible...

Display Mail User Agent by Jürgen Ernst

Displays icon for user agent of received mails.

Quote Colors by Malte Ruecker

Rated 4 out of 5 stars 46 reviews

5,016 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.

Duplicate Contact Manager by Marian Steinbach, Copelnug

Rated 3 out of 5 stars 109 reviews

15,213 users

Facilitates handling of duplicates in your address book(s). Allow to search and remove similar contacts.

Address Close Button by 46emak

Rated 5 out of 5 stars 24 reviews

11,223 users

Adds a Address Close Button to mail compose window.

ThunderBirthDay by ingomueller.net

Rated 4 out of 5 stars 81 reviews

13,375 users

Display birthdays from the Thunderbird addressbooks as events in Lightning.
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