T-Bird

by Grover Harrell

16 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.

HTML5 Video Everywhere! by lejenome

Rated 4 out of 5 stars 58 reviews

68,968 users

Replace video player with Firefox native video player

Bluhell Firewall by Diego Casorran

Rated 5 out of 5 stars 386 reviews

86,178 users

Get a faster browsing experience by blocking nasty web resources using Bluhell Firewall, the lightweight Ad-Blocker and Tracking/Privacy Protector.

Mail Redirect by Pawel Krzesniak, Onno Ekker

Rated 4 out of 5 stars 124 reviews

37,135 users

Allow to redirect (a.k.a. "remail") mail messages to other recipients.

Signature Switch by Achim Seufert

Rated 4 out of 5 stars 188 reviews

81,531 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

35,472 users

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

Google Privacy by Herrminator

Rated 5 out of 5 stars 34 reviews

21,574 users

Make some popular websites respect your privacy settings.
Please see the known issues below!

ThunderBrowse by GS! Networks

Rated 3 out of 5 stars 163 reviews

20,373 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!

Auto Address Cleaner by markopee

Rated 4 out of 5 stars 51 reviews

17,605 users

Removes comment, display name automatically from addresses before sending mail.

Custom Address Sidebar by shimamu

Download Now

Experimental

Rated 4 out of 5 stars 7 reviews

4,924 users

Allow you to help address sidebar more useful.

Flexible Identity by Paul Kolomiets

Rated 4 out of 5 stars 26 reviews

1,587 users

Selects an identity based on the recipients list when sending an email
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