My Favorite Add-ons

by Scott M. Sanders

22 Add-ons in this Collection

Contacts Sidebar by Jeroen Peters

Rated 4 out of 5 stars 245 reviews

71 users

Displays the address books in a sidebar in Thunderbirds 3-pane-window and can be toggled with the F4 key or a toolbar button.

Visit my Contacts Sidebar site for recent versions and news.

Zindus by Leni Mayo

Rated 4 out of 5 stars 199 reviews

20 users

Google and Zimbra contact sync for Thunderbird. (TB 24 and above NOT supported)

Gmail Manager by Todd Long

Download Now

Experimental

Rated 4 out of 5 stars 1,151 reviews

0 users

The original Gmail notifier for multiple accounts. Allows you to receive new mail notifications along with viewing account details including unread messages, saved drafts, spam messages, labels with new mail, space used, and new mail snippets.

Message Notes Plus by alehro

Rated 4 out of 5 stars 39 reviews

24 users

Message Notes Plus allows to add notes to emails. The notes don't affect the email in any way.They are stored locally on your hard drive.
The commercial version is no longer available. More info on mnpforum.alehro00.com and forum.alehro00.com.

Test Pilot for Thunderbird by Thunderbird Development Team

Rated 1 out of 5 stars 15 reviews

254 users

Add-on has now been discontinued, see below.

Lightning Nightly Updater (Unofficial) by Oliver S.

Rated 4 out of 5 stars 39 reviews

25 users

Quickly get to the latest nightly build of Lightning relevant to the version of Thunderbird and the OS you're on.

Console² by Philip Chee, zeniko

Rated 5 out of 5 stars 47 reviews

6 users

Console² (pronounced Console Squared or Console Two) replaces the JavaScript Console with what could be the next generation Error Console. From v0.5 includes the Console Filter extension previously available separately from the Console² website.
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