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British-English Dictionary (GB)
A strict British-English spell checker dictionary for Firefox, Thunderbird and SeaMonkey. This dictionary only includes words conforming to the preferred standard of British-English spelling.
Thunderbird Assist
[Closed Alpha Testing] Thunderbird assist provides a summary of new messages in your inbox.
This add-on is undergoing testing and not yet available to the general public.
Customoji
Adds easy custom emojis to Thunderbird.
NOTE: you need to add the emojis yourself in the extension settings
Tok Pisin spell checker
Requires Restart
This is a spell checker for Tok Pisin based on a word list created by Helge Søgaard.
Ogden's Basic English Dictionary for Media
Requires Restart
A spell checker for Ogden's Basic English.
Dictionnaire occitan languedocien
Corrector ortografic en occitan lengadocian per Thunderbird.
Correcteur ortographique en occitan languedocien pour Thunderbird.
淘宝领券助手
在用户打开淘宝和天猫商品详情页时，自动查询是否存在优惠券，存在才会显示领券购买，轻量级提示，和页面融为一体。
1.点击“领券”即可跳转到领取优惠券页面，先领取后购买，更省钱
2.点击插件图标可以，输入宝贝标题可以快速搜索有优惠券的宝贝
CT Cornish Spell-Checker - SWF
This is a spell-checker for the Cornish language in the Standard Written Form.
Seafile Filelink2
Multimonth view
Multimonth View allows users to display multiple months in a single calendar view,
Chichewa Spell Check
This is a real time Chichewa Spell Checker (Malawi) supported on Firefox, Thunderbird, and Seamonkey.
Latgalīšu volūdys pareizraksteibys vuordineica
Biblioteka latgalīšu volūdys pareizraksteiys puorbaudei Firefox, Thunderbird, Seamonkey, Fennec
Dictionary of Spanish / Nicaragua
Dictionary of Terms of Nicaragua, Spanish dictionary based internaconal, adding support on behalf of cities and fruits, animals, plants, references, local echos and terms accepted by RAE.
Venetan
Venetan spellchecker for Firefox, Thunderbird, and SeaMonkey using the spelling of Mauro Trevisan.
To enable, right-click in a multi-line text box, select "Check Spelling", then select "Languages" and then "venetan".
Tagalog/Filipino Dictionary
A Tagalog/Filipino Dictionary (tl) for Pale Moon, Firefox, Thunderbird, and SeaMonkey.
Zeiler-Sutto Latin Dictionary
Novum dictionarium orthographicum ad usum cursus electronici. Centum et triginta milia sermones (ex opera Sallustis, Ciceronis, Cæsaris, Ovidi, Vergili, Catulli, Taciti, Senecæ, Nepotis) continet. Carolus Zeiler & Johannes Petrus Sutto præparaverunt.
YouTube Video Downloader
The Complete Guide to YouTube Video Downloader Converter Tool and How They Can Help You Easily Download and Convert Videos from YouTube.
To create your own collections, you must have a Mozilla Add-ons account.
