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

24,219 users

Dutch dictionary with wordslist from OpenTaal.

TbSync by John Bieling

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Rated 5 out of 5 stars 252 reviews

79,557 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 17 reviews

1,226 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

3,896 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

636 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 23 reviews

8,103 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

100 users

Displays contact photos in the message header.

Identity Chooser by thunderspeed

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Rated 4 out of 5 stars 147 reviews

6,417 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

21 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).

Provider for CalDAV & CardDAV by John Bieling

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Rated 5 out of 5 stars 54 reviews

50,307 users

This extension adds support for CalDAV & CardDAV accounts to the Thunderbird Sync manager "TbSync". Including iCloud, ownCloud, Nextcloud, Radicale and many more.

Grammar and Spell Checker — LanguageTool by LanguageTooler GmbH

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Rated 4 out of 5 stars 30 reviews

61,933 users

Check your emails for spelling and grammar issues

Birthday Calendar by rsjtdrjgfuzkfg

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Rated 5 out of 5 stars 22 reviews

4,595 users

Adds calendars containing the birthdays from your address books.

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