Thunderbird

by schnittsche2001

30 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 972 reviews

315,297 users

Allows bidirectional access to Google Calendar

Evernote Web Clipper by Evernote

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

gContactSync by Josh Geenen

Rated 4 out of 5 stars 240 reviews

87,766 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 267 reviews

36,588 users

Save frequently-entered text for pasting later.

Quicktext by R Kent James, John Bieling, others

Rated 4 out of 5 stars 311 reviews

86,716 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

66,528 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 195 reviews

66,332 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

20,761 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

31,612 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 355 reviews

15,238 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

439 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...

Quote Colors by Malte Ruecker

Rated 4 out of 5 stars 46 reviews

5,031 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.

Display Mail User Agent by Jürgen Ernst

Displays icon for user agent of received mails.

Duplicate Contact Manager by Marian Steinbach, Copelnug

Rated 3 out of 5 stars 109 reviews

15,815 users

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