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 69 reviews

46,533 users

Replace video player with Firefox native video player

Bluhell Firewall by Diego Casorran

Rated 4 out of 5 stars 463 reviews

67,146 users

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

Signature Switch by Achim Seufert

Rated 4 out of 5 stars 189 reviews

68,679 users

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

Mail Redirect by Pawel Krzesniak, Onno Ekker

Rated 4 out of 5 stars 125 reviews

34,898 users

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

Addressbooks Synchronizer by Guenter Gersdorf

Rated 4 out of 5 stars 58 reviews

32,013 users

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

Google Privacy by Herrminator

Rated 4 out of 5 stars 31 reviews

16,568 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 150 reviews

12,641 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!

Custom Address Sidebar by shimamu

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Experimental

Rated 4 out of 5 stars 11 reviews

3,063 users

Allow you to help address sidebar more useful.

Auto Address Cleaner by markopee

Rated 5 out of 5 stars 48 reviews

13,563 users

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

Flexible Identity by Paul Kolomiets

Rated 4 out of 5 stars 27 reviews

1,184 users

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