Thunderbird Add-ons

by Patrick

11 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 1,005 reviews

325,952 users

Allows bidirectional access to Google Calendar

Remove Duplicate Messages by Thorsten W. Schmidt

Rated 4 out of 5 stars 130 reviews

46,519 users

If you have duplicate messages (e.g. from merging folders or downloading messages several times) you can use this tool to find and remove them from the selected folder and its subfolder by rightclicking on a folder and choosing "Remove duplicates..."

Addressbooks Synchronizer by Guenter Gersdorf

Rated 4 out of 5 stars 59 reviews

34,085 users

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

ThunderBrowse by GS! Networks

Rated 3 out of 5 stars 163 reviews

22,387 users

Did your friend send you a cool link? Want to read the rest of that interesting article? Don't want to open up your web browser just to view it? You don't have to! Just view it in Thunderbird with ThunderBrowse!

ThunderBirthDay by ingomueller.net

Rated 4 out of 5 stars 85 reviews

18,712 users

Display birthdays from the Thunderbird addressbooks as events in Lightning.

Update Notifier by Todd Long

Rated 5 out of 5 stars 180 reviews

6,515 users

Note from Mozilla: This add-on has been discontinued. Try Add-on Update Checker instead.

Notifies you when updates are available for your extensions and themes.

Get/Send-Button (minimized MagicSLR) by Alexander Ihrig

Rated 4 out of 5 stars 43 reviews

10,756 users

A combined Get/Send-Button and a popup menu with additional functions.

You may want to use it together with the following Add-ons:
* Send Later Button (by me / Alexander Ihrig)
* Send Later (by jikamens)

Attachment Sizes by Frank DiLecce

Rated 4 out of 5 stars 56 reviews

2,164 users

Ability to see attachment sizes ...

Delete Junk Context Menu by chuonthis

Rated 4 out of 5 stars 8 reviews

633 users

Adds 'Delete Mail Marked as Junk' to folders' right click...

Unselect Message by Michael Buschbeck

Rated 4 out of 5 stars 30 reviews

198 users

Prevents Thunderbird from selecting the next message after you've deleted or moved the previously selected ones. Stay in control of which message you want to have selected and displayed in the preview pane; that piece of spam you're deleting...

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