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 119 reviews

49,261 users

Higher performance and stable video watching experience on the web.

Mail Redirect by Pawel Krzesniak, Onno Ekker

Rated 4 out of 5 stars 126 reviews

37,064 users

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

Signature Switch by Achim Seufert

Rated 4 out of 5 stars 194 reviews

68,836 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 59 reviews

34,354 users

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

Bluhell Firewall by Diego Casorran

Rated 4 out of 5 stars 495 reviews

37,972 users

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

Google Privacy by Herrminator

Rated 4 out of 5 stars 33 reviews

10,252 users

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

Auto Address Cleaner by markopee

Rated 5 out of 5 stars 49 reviews

13,727 users

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

ThunderBrowse by GS! Networks

Rated 3 out of 5 stars 153 reviews

11,102 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

Download Now

Experimental

Rated 4 out of 5 stars 14 reviews

3,641 users

Allow you to help address sidebar more useful.

Flexible Identity by Paul Kolomiets

Rated 4 out of 5 stars 27 reviews

1,055 users

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