My Favorite Add-ons

by Pander

12 Add-ons in this Collection

Woordenboek Nederlands by fjoerfoks

Rated 3 out of 5 stars 70 reviews

23,050 users

Dutch dictionary with wordslist from OpenTaal.

TbSync by John Bieling

Rated 5 out of 5 stars 261 reviews

62,095 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

Rated 5 out of 5 stars 18 reviews

972 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

Rated 5 out of 5 stars 49 reviews

3,416 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

Rated 4 out of 5 stars 49 reviews

449 users

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

CategoryManager by John Bieling, kxxt

Rated 5 out of 5 stars 25 reviews

7,002 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

Rated 4 out of 5 stars 31 reviews

76 users

Displays contact photos in the message header.

Identity Chooser by thunderspeed

Rated 4 out of 5 stars 147 reviews

5,840 users

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

Report Spam by Arnaud Le Gué, Etienne

Rated 3 out of 5 stars 13 reviews

9 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

Rated 5 out of 5 stars 54 reviews

25,975 users

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

Grammar and Spell Checker — LanguageTool by LanguageTooler GmbH

Rated 4 out of 5 stars 34 reviews

60,796 users

Check your emails for spelling and grammar issues

Birthday Calendar by rsjtdrjgfuzkfg

Rated 5 out of 5 stars 23 reviews

4,641 users

Adds calendars containing the birthdays from your address books.

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