Add-ons

CardBook by Philippe V.

A new Thunderbird address book based on the CardDAV and vCard standards.

Twitter: @CardBookAddon

TbSync by John Bieling

TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.

Collector's Note This is required before the Google-4-TbSync extension can be installed...

FiltaQuilla by R Kent James, Realraven (Axel Grude)

Adds many new mail filter actions - launch a file, suppress notification, remove star or tag, mark replied or unread, copy as "read", append text to subject.

G-Hub Lite by Chris Schiffner

Google Tabs for Thunderbird! G-Hub Lite supports Calendar, Contacts, Drive, Docs, Sheets, Slides, Maps, Search, & Voice. Need Google Workspace support (formerly G Suite)? Check out G-Hub Pro: https://www.schiffner.com/index.php/software/g-hub-pro

Collector's Note $5 for pro will let me get all the google stuff customized into a list. maybe useful.....

Google Keep Tab by Era

Adds a button to open Google Keep in a new Tab

Open Google Voice by Ruben Ordonez

Opens Google Voice In A New Thunderbird Tab

Move Mail Shortcuts by Robert Siebeck

Allows assigning keyboard shortcuts for moving mails to folders and jumping to the folders.

Collector's Note Haven't tried it because I can't remember hotkeys for a specific folder? on the local? Not too useful when I can drag it UP to the folder in the Tabs

Google-4-TbSync by Marco Zanon

This provider add-on adds Google synchronization capabilities to TbSync. Only contacts and contact groups are currently managed, using Google's People API.

Please read the "About this Add-on" section below carefully!

Collector's Note Experimental gContactSync replacement. Not fully ready yet... or set up... Hard part was done though...

Provider for CalDAV & CardDAV by John Bieling

This extension is no longer needed. Thunderbird has native CalDAV and CardDAV support.

Message Header Toolbar Customize by H.Ogi

You can change icon display and button order. You can also hide unnecessary buttons.

Google Calendar Tab by DisplayName1234

Adds a button to open Google Calendar in a new Tab