Thunderbird :: Collections :: Add-ons for SeaMonkey

Thunderbird

by Raul Endymion

Updated July 24, 2024

About this Collection

17 Add-ons in this Collection

CardBook by Philippe V.

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Rated 4 out of 5 stars 473 reviews

72,716 users

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

Twitter: @CardBookAddon

Manually sort folders by Jonathan Protzenko, Itagaki Fumihiko

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Rated 4 out of 5 stars 628 reviews

12,333 users

This extension allows you to manually sort (order) your folders in the folder pane of Thunderbird or automatically sort them, but in a better way. This extension also allows you to re-order accounts in the folder pane.

Send Later by Jonathan Kamens, Jonathan Perry-Houts

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Rated 5 out of 5 stars 264 reviews

114,852 users

True "Send Later" functionality to schedule the time for sending an email.

QuickFolders (Tabbed Folders) by Realraven (Axel Grude), Alexander Malfait

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Rated 5 out of 5 stars 190 reviews

15,849 users

The "Swiss army knife" of folders. Turn your favorites into tabs - open folders and subfolders, move mails without scrolling around or searching. powerful + easy.

See new mail at a glance after automatic filtering - supports quickFilters addon!

G-Hub Lite by Chris Schiffner

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Rated 4 out of 5 stars 23 reviews

4,060 users

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

Contacts Sidebar by Jeroen Peters

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Rated 4 out of 5 stars 245 reviews

77 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.

GoogleTranslate-IT by Gioxx

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Rated 3 out of 5 stars 2 reviews

7 weekly downloads

Traduci ciò che desideri semplicemente lanciando una ricerca su Firefox!

ThirdStats by Andreas

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Rated 5 out of 5 stars 28 reviews

4,152 users

Beautifully visualized statistics for your Thunderbird Email Accounts

GMail Labels by Łukasz Nojek

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Rated 4 out of 5 stars 17 reviews

840 users

Shows GMail labels in each message's headers panel. When using Thunderbird with a Gmail account, it is not possible to guess which Gmail labels a message was applied (and in which folders it can be found). This extension provides this information

Open Tab by Toshi

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Rated 5 out of 5 stars 6 reviews

588 users

Link open in new tab.

Edit Email Subject by Dillinger

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Rated 5 out of 5 stars 18 reviews

72 users

Edit Email Subject for Thunderbird

MessagePreview by alta88

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Rated 5 out of 5 stars 6 reviews

39 users

MessagePreview adds a column to the Thunderbird message list to display the message preview in a tooltip on column row icon mouse hover or a short preview in the column row itself.

AttachmentCount by alta88

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Rated 5 out of 5 stars 3 reviews

34 users

Adds a column to the Thunderbird message list to always display the true attachment count. An icon is shown for single attachments or all attachments deleted/detached. Tooltip preview of single attachment content and summary for multiple attachments.