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Google Keep Tab
Folder Pane View Switcher
Folder view arrows; switch to "All Folders" view when hovering during drag & drop; allow user to select which views are enabled or tied to the view arrows.
Quick Folder Move
When filing messages, a search box will show up allowing you to quickly enter the folder name you want to move to.
If no search term is entered, a list of recent folders will show up instead.
Identity Chooser
Identity Chooser helps you to always use the correct identity when composing a new email.
Spanish (Venezuela) spell check dictionary
Diccionario en español para Venezuela.
- Corrector Ortográfico (Spell Checker)
- Tesauro de Sinónimos (Thesaurus)
- Separación Silábica (Hyphenation)
¡Hecho en Venezuela!
Attach from Clipboard
Afrikaans spell checker
ThreadVis
Displays a small graphic visualising the context (thread) of the currently selected email.
German dictionary (de_CH)
German dictionary igerman98 (de_CH, Switzerland), for Firefox, Thunderbird und Seamonkey.
German Dictionary (de-DE), classical and reformed
German Dictionary according to the classical or reformed spelling standards for spell-checking in Firefox and Thunderbird ++
Deutsches Wörterbuch nach den bewährten oder reformierten Regeln für die Rechtschreibprüfung in Firefox und Thunderbird
Norsk bokmål ordliste
Norsk bokmål ordliste for Mozilla Firefox, Mozilla Thunderbird og SeaMonkey.
Bengali (Bangladesh) Dictionary
ReFwdFormatter
Remove the ">" prefix from quote when you make a reply.
[Source code] https://github.com/isshiki/ReFwdFormatter
TexTraTo create your own collections, you must have a Mozilla Add-ons account.
