My Favorite Add-ons :: Collections :: Add-ons for Thunderbird

My Favorite Add-ons

by Pander

Updated Jan. 16, 2024

About this Collection

My favorite add-ons for Thunderbird.

12 Add-ons in this Collection

Woordenboek Nederlands by fjoerfoks

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Rated 3 out of 5 stars 70 reviews

25,339 users

Dutch dictionary with wordslist from OpenTaal.

TbSync by John Bieling

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Rated 5 out of 5 stars 263 reviews

71,102 users

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

Duplicate Contacts Manager by David von Oheimb

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Rated 5 out of 5 stars 18 reviews

1,074 users

This Thunderbird add-on searches address book(s) for pairs of matching contact entries.
It can automatically delete entries that have equivalent or less information than the other one.
Any remaining matches are presented for manual treatment.

Automatic Dictionary by beltrachi

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Rated 5 out of 5 stars 49 reviews

3,881 users

Remembers the language you use with a person or group of people, and switches the spellchecker language automatically for you next time. You do not have to do it manually any more. It remembers and switches it for you.

Sieve by Thomas Schmid

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Rated 4 out of 5 stars 49 reviews

493 users

This Extension implements the ManageSieve protocol for securely managing Sieve Script on a remote IMAP server...

CategoryManager by John Bieling, kxxt

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Rated 5 out of 5 stars 25 reviews

7,999 users

Category manager for Thunderbird contacts, also allows to send an email to all members of a category (categories can be used as contact groups).

Contact Photos by Josh Geenen

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Rated 4 out of 5 stars 31 reviews

96 users

Displays contact photos in the message header.

Identity Chooser by thunderspeed

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Rated 4 out of 5 stars 147 reviews

6,586 users

Identity Chooser helps you to always use the correct identity when composing a new email.

Report Spam by Arnaud Le Gué, Etienne

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Rated 3 out of 5 stars 13 reviews

15 users

Report spam is a Thunderbird plugging to report antispam errors. A new button is added to header tool bar in order to signal a message as a false positive (a ham that is tagged as spam) or a false negative (a spam not tagged as spam).