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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).
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
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).
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.
Wörterbuch Deutsch (de_AT)
Deutsches Wörterbuch igerman98 (de_AT, Österreich, "neue" Rechtschreibung), für Firefox, Thunderbird, Seamonkey.
Edit Email Subject (EES)
Croatian Dictionary (Hrvatski Rječnik)
Croatian Dictionary (Hrvatski Rječnik) for Mozilla Firefox, Thunderbird and SeaMonkey
Lithuanian spelling check dictionary
Lithuanian spellchecking dictionary for Mozilla applications. Included by default in Lithuanian localized versions of Mozilla software.
Google Keep Tab
Identity Chooser
Identity Chooser helps you to always use the correct identity when composing a new email.
Diccionario en español para Venezuela
Diccionario en español para Venezuela.
- Corrector Ortográfico (Spell Checker)
- Tesauro de Sinónimos (Thesaurus)
- Separación Silábica (Hyphenation)
¡Hecho en Venezuela!
Afrikaanse speltoetser
Wörterbuch Deutsch (de_CH)
Deutsches Wörterbuch igerman98 (de_CH, Schweiz, "neue" Rechtschreibung), für Firefox, Thunderbird, Seamonkey.
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
Norsk bokmål ordliste
Norsk bokmål ordliste for Mozilla Firefox, Mozilla Thunderbird og SeaMonkey.
Bengali (Bangladesh) DictionaryTo create your own collections, you must have a Mozilla Add-ons account.
