Thunderbird

by schnittsche2001

32 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.

Evernote Web Clipper by Evernote

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

Provider for Google Calendar by Philipp Kewisch

Rated 4 out of 5 stars 1,016 reviews

379,903 users

Allows bidirectional access to Google Calendar

gContactSync by Josh Geenen

Rated 4 out of 5 stars 233 reviews

99,971 users

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

Clippings by AE Creations

Rated 4 out of 5 stars 197 reviews

39,964 users

Save frequently-entered text for pasting later.

Toolbar Buttons by Michael B.

Rated 4 out of 5 stars 329 reviews

111,934 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.

Quicktext by WizKid, R Kent James

Rated 4 out of 5 stars 332 reviews

105,128 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 149 reviews

77,897 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 187 reviews

93,831 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 116 reviews

27,853 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 109 reviews

43,425 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!

Display Mail User Agent by Jürgen Ernst

Displays icon for user agent of received mails.

Google Redesigned by Globex Designs, Inc.

Rated 4 out of 5 stars 326 reviews

5,635 users

A complete redesign of popular Google services, Google Redesigned changes the appearance of popular Google services.

Duplicate Contact Manager by Marian Steinbach, Copelnug

Rated 3 out of 5 stars 105 reviews

24,920 users

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

Extra Folder Columns by Joey Minta, Thunderbird Development Team

Rated 4 out of 5 stars 250 reviews

128,877 users

This extension is for those TB3 users who want the multiple-columns view that TB2 allowed

IMPORTANT: If you are using Thunderbird 38 or later, uninstall this addon. The functionality is in core now.
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