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ThunderThings
sms77
ThunderAI (ChatGPT in your emails!)
ThunderAI uses the capabilities of ChatGPT to enhance email management.
It enables users to analyse, write, correct, and optimize their emails.
You can use an API key, but it's also possible to use this extension even with a free account!
Mark Subfolders Read
Adds a context option to folders for marking all contents of the selected folder and all subfolders as read.
Zulip - Quick Access
Quick Access to Zulip in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.
BCM Bengali (Bangladesh) Spellchecker
Spellchecker for Bengali (Bangladesh) following Bangla Academy and Prothom Alo standards: See https://banglatypefoundry.com/spellchecker/
Scriptable Notifications
Allows you to define an external script (bash, batch, python, ...) which is called so you can manage mail notifications / alerts the way you want.
Snap/Flatpak versions of Thunderbird not supported.
Webpage Opener
Balochi Spellchecker for UniBal Script
This add-on is a Balochi spellchecker based on the UniBal Balochi script.
This is a pre-beta version as the dictionary has 1000+ words and not all Balochi Affix rules are implemented.
Please use it and give your feedback
Kiswahili Spell Checker
Tatar spellchecker dictionary
Tatar dictionary for spell-checking in Firefox and Thunderbird.
Орфографический словарь Firefox и Thunderbird для проверки правописания татарского языка.
Lower Sorbian dictionary
Babyish spellchecker
Owl for Exchange
Allows you to use your Exchange and Office365 email account with Thunderbird using Outlook Web Access (OWA).
FileLink Provider for Box
Uploads your large attachments to your Box instead of sending them by email.
Get Map for Thunderbird
The "Get Map" button from the old address book is missing in Thunderbird 102 and 115, this extension puts it back. OpenStreetMap and Google Maps are both available. OpenStreetMap is configured by default and can be changed in the Add-ons Manager.
enUS deDE bilingual dictionary
This is a bilingual dictionary for American English and German Standard German.
It is meant for users who regularly write in German and English.
With it, you will not need to manually switch between dictionaries for the two languages.
Toggle InlineTo create your own collections, you must have a Mozilla Add-ons account.
