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Grammalecte [fr] (for Thunderbird)

Correcteur grammatical dédié à la langue française. Inclus : conjugueur, formateur de texte et dictionnaires orthographiques.

Rated 4 out of 5 stars (20)
6,928 users

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Brazilian Portuguese Dictionary (Former Spelling)

The same spellchecker shipped with the Brazilian version of Firefox, just using the former spelling (which is valid until January 1st 2016).

Rated 4 out of 5 stars (6)
769 users

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Corector ortografic pentru limba română

Corector ortografic pentru limba română

Rated 4 out of 5 stars (40)
4,389 users

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G-Hub Lite

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

Rated 4 out of 5 stars (24)
3,460 users

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CategoryManager

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

Rated 5 out of 5 stars (26)
6,280 users

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Türkçe Yazım Denetimi

Türkçe Yazım Denetimi
Turkish Spellchecker

Rated 5 out of 5 stars (39)
5,284 users

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CardDAV Browser

A utility to browse vCards stored on a CardDAV server.

This version is only for Thunderbird. There is a SeaMonkey version available if needed.

Rated 3 out of 5 stars (7)
378 users

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Wörterbuch Deutsch (de_AT)

Deutsches Wörterbuch igerman98 (de_AT, Österreich, "neue" Rechtschreibung), für Firefox, Thunderbird, Seamonkey.

Rated 5 out of 5 stars (5)
3,259 users

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Edit Email Subject (EES)

This module allows you to change/edit email subjects

Rated 4 out of 5 stars (136)
8,042 users

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ReplyWithHeader

Outlook style headers and few goodies for Thunderbird.

Rated 4 out of 5 stars (100)
10,733 users

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Croatian Dictionary (Hrvatski Rječnik)

Croatian Dictionary (Hrvatski Rječnik) for Mozilla Firefox, Thunderbird and SeaMonkey

Rated 5 out of 5 stars (9)
4,226 users

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Lithuanian spelling check dictionary

Lithuanian spellchecking dictionary for Mozilla applications. Included by default in Lithuanian localized versions of Mozilla software.

Rated 5 out of 5 stars (5)
3,106 users

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Google Keep Tab

Adds a button to open Google Keep in a new Tab

Rated 5 out of 5 stars (29)
4,096 users

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Identity Chooser

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

Rated 4 out of 5 stars (149)
6,101 users

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Bulgarian Dictionary

Bulgarian spellchecking...

Rated 5 out of 5 stars (31)
4,690 users

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Diccionario en español para Venezuela

Diccionario en español para Venezuela.
- Corrector Ortográfico (Spell Checker)
- Tesauro de Sinónimos (Thesaurus)
- Separación Silábica (Hyphenation)

¡Hecho en Venezuela!

Rated 5 out of 5 stars (30)
7,400 users

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Afrikaanse speltoetser

Afrikaanse speltoetser vir Mozilla Firefox en Thunderbird

Rated 4 out of 5 stars (23)
1,525 users

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Wörterbuch Deutsch (de_CH)

Deutsches Wörterbuch igerman98 (de_CH, Schweiz, "neue" Rechtschreibung), für Firefox, Thunderbird, Seamonkey.

Rated 5 out of 5 stars (4)
4,559 users

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Deutsches Wörterbuch, klassisch und reformiert

Deutsches Wörterbuch nach den bewährten oder reformierten Regeln für die Rechtschreibprüfung in Firefox und Thunderbird
+ klassische Rechtschreibung + alte Rechtschreibung + neue Rechtschreibung + aktuelle Rechtschreibung

Rated 5 out of 5 stars (7)
2,051 users

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Norsk bokmål ordliste

Norsk bokmål ordliste for Mozilla Firefox, Mozilla Thunderbird og SeaMonkey.

Rated 4 out of 5 stars (14)
2,649 users

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