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Two Dynamic Birds
An extension of the "Two Little Birds" and "Dracula" themes that includes a toggle button to turn on dark mode.
The position of the light/dark toggle button can be customised to avoid it covering the cute birds!
BestReply
BestReply is an add-on that aims to improve users’ experience by providing quick services to the user such as summarization of emails, response generations, as well as a smart chat with our AI model based on the email they are reading.
Pushover Notifier
Send a Pushover notification when a new email arrives.
Plugin requires a Pushover account.
This plugin is not affiliated with or endorsed by Pushover. It was created independently. Use at your own risk.
PrioMailbox
PrioMailbox helps you prioritize your Thunderbird inbox by automatically tagging and highlighting important emails. Trainable tags organize your inbox efficiently, saving time and reducing distractions, with a simple, user-friendly interface.
Spacebar Clicker
With Spacebar Clicker, gamers can now test their spacebar speed within the browser. Every gamer can install the extension and practice to increase how many times they press the spacebar.
Dictionnaire Moore
Le dictionnaire Moore / Moor Gom-Biis No-Tũur Gʋlsg Sebre : "Burkina Faso" Edition mars 2015 Cemie.
Belarusian spellchecking dictionary (Taraškievica orthography)
Requires Restart
Belarusian spellchecking dictionary (Taraškievica orthography)
Беларускі слоўнік праверкі артаграфіі (клясычны правапіс)
GaelSpell Seanchló
Seo é an gnáthlitreoir GaelSpell, ach leis na consain bhuailte ḃ, ċ, ḋ, ḟ, ġ, ṁ, ṗ, ṡ, ṫ in ionad bh, ch, srl. An-oiriúnach do Twitter!
Church Slavonic Spelling Dictionary
The spelling dictionary is based on the Hunspell spelling dictionary for Church Slavonic (Church Slavic). Numerals only from 1 to 9999 are recognized.
Kashubian Spell Checker (Poland)
This Spell Checker may help writers verify correctness of their Kashubian spelling. It works under Firefox, Thunderbird, and SeaMonkey.
Nen werifikator kaszëbsczégò pisënkù mòże ùżëwac pòd Firefoksã, Thunderbird, ë SeaMonkey.
Русский словарь в дореформенной орфографии
Данный словарь используется для проверки текстов на русском языке в дореформенной орфографии.
Diccionario Papiamento
Bambara/Bamanakan
Bambara spell-checker / Vérificateur orthographique pour le bambara / Bamanankan fililatilennanVérificateur disponible également comme Extension de la suite Libre Office
medicine-dictionary-ru-eng
Merged openmedspel 2.0.1, ru_ru-medicine-0.4.4, latin_dicrionary-0.41.20110603 dictionaries
Arabic Spell-checker
Phoenity Icons
Slovenská kontrola preklepov (bez diakritiky)
Slovník pre kontrolu preklepov bez diakritiky pre aplikácie Mozilla.
PrettyBlockquote
The add-on ensures that the quoted text in your reply is clearly highlighted with a vertical blue line, even when viewed by recipients using different email clients like Gmail or macOS, by using inline CSS on the blockquote HTML tag.
To create your own collections, you must have a Mozilla Add-ons account.
