Add-ons
Filter Results
-
Category
-
Works with
-
Tag
504 matching results
Search
Sort by:
United States English Spellchecker
This dictionary is no longer maintained. Use this dictionary instead.
Nextcloud for Filelink
Requires Restart
"Nextcloud for Filelink" is an Open Source Thunderbird extension which makes it easy to send large attachments with Thunderbird by uploading them first to a Nextcloud server and by then inserting the link into the body of your email.
AutoCopy 2
P7MON
Pan
Auto Compress File
Requires Restart
Compressor for attachment files. All platforms are supported (Windows, Linux and Macintosh).
Metal Lion Silver Sea Monkey
Requires Restart
Metal Lion meets SeaMonkey and makes it shine....
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).
Romanian spellchecking dictionary
Restart
Stylish-Custom
Markdown Here
Emoji Menu
Requires Restart
Adds the ability to easily insert emojis into your composed messages in Thunderbird.
German dictionary (de_AT)
German dictionary igerman98 (de_AT, Austria), for Firefox, Thunderbird und Seamonkey.
Font Finder
Requires Restart
FontFinder is created for designers, developers and typographers. It allows a user to analyze the font information of any element on a page, copy any piece(s) of that information to the clipboard, and perform inline replacements to test new layouts.
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.
LightbirdTo create your own collections, you must have a Mozilla Add-ons account.
