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Kurdish Sorani Spellchecker
Kurdish Sorani Spellchecker for Firefox, Thunderbird and SeaMonkey by Dr Yadgar Balaky and Ranjbar Balisane.
To enable, right-click in a multi-line text box, select "Languages", then "ku-CKB".
Словникъ Български
This is a Bulgarian spell-checker based on the historic orthography from 1899 known as "Ivanchevski pravopis". It is using the Mozilla built-in spell-checking engine (hunspell).
Uyghur Spelling Dictionary (Уйғурчә Имла Луғәт)
Uyghurche Imla Lughet Уйғурчә Имла Луғәт
Enables spell checking in any text field for Uyghur Cyrillic Alphabet.
ChicSpell - Chichewa Spellchecker
Requires Restart
Kukuthandizani Kukonza Matchuliro a m'Chichewa (Helping you correct Chichewa Spellings)
Chuvash spellchecker dictionary
Chuvash dictionary for spell-checking in Firefox and Thunderbird
Bulgarian+Germany Spell Checker
Едновременна проверка на правописа за български и немски езици
Simultaneous spelling of Bulgarian and German
Gleichzeitig Schreibweise von bulgarischen und deutschen
Typical Reply
Provides ability to send/receive typical replies in a team.Provides ability to send/receive typical replies in a team.
URL Link
URL Link is a small Thunderbird extension that allows you to select a non-URL in a mail/news message or web-page, and open it in a browser window.
ProtonMail Encryption Status
When using ProtonMail Bridge to integrate Mozilla Thunderbird withProtonMail, it's not easy to tell which emails were end-to-end (E2E) encrypted. This add-on puts an icon in the toolbar above every message to show you its encryption status.
Next Unread Group (Mark All Read)
Adds a Group button, marks current newsgroup or folder as read and moves to the next unread message
Markdown Here Revival
A revival of the popular Markdown-Here addon for Thunderbird.
Markdown Here Revival is a Thunderbird extension that lets you write emails in Markdown and render them as HTML before sending.
Signature sync for Gmail
This extension allows you to automatically use your signature from Gmail accounts in Thunderbird. No longer need to maintain two separated signatures!
Mark GMail Read
Dark Reader
Dark mode for every email. Take care of your eyes, use dark theme for night and daily messaging.
Simple Startup Minimizer
This extension will minimize Thunderbird on startup, it is very simple and I didn't put much work into it but it should work on all platforms. Please let me know if you want more features added into it.
Smileyfixer
AutoBucket
This is an extension function that classifies emails into multiple buckets using AI(the Bayesian filter) and tags them.
Dysclusif
Lojban spell check dictionaryTo create your own collections, you must have a Mozilla Add-ons account.
