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Link Creator

Open selected URIs, URLs, e-mail addresses, telephone numbers and links.

Rated 5 out of 5 stars (1)

823 users

English-Russian dictionary

Spelling of English and Russian words

Rated 4 out of 5 stars (22)

1,840 users

Full Address Column

Adds a full sender and recipient e-mail column to message list panel.

Rated 5 out of 5 stars (69)

1,891 users

Extract 'Em! Featured

Extracts attachments from messages within an account or folder, with the option to select specific attachments. Extracted attachments are saved to a .zip file.

Rated 5 out of 5 stars (2)

1,238 users

Unsubscribe

Lightweight solution to simplify unsubscribing from newsletters

Rated 3 out of 5 stars (13)

1,280 users

QNote

Add notes to your e-mails. Drop-in replacement for XNote++ with more features.

Rated 5 out of 5 stars (60)

4,907 users

BiDi Mail UI

Direction control and BiDi-related charset misdetection correction

Rated 5 out of 5 stars (53)

1,899 users

quickFilters

Quickly generate mail filters on the fly, by dragging and dropping mails and analyzing their attributes. Create a filter in less than 10 seconds, it's as easy as: drag, click, click.

By popular demand, supports SORTING filters alphabetically.

Rated 5 out of 5 stars (69)

14,005 users

Start with Inbox

Selects the latest message in the Inbox after start of Thunderbird.

Rated 4 out of 5 stars (18)

1,180 users

Türkçe Yazım Denetimi

Türkçe Yazım Denetimi
Turkish Spellchecker

Rated 5 out of 5 stars (39)

1,957 users

Xuxen

Xuxen Basque dictionary.

Rated 5 out of 5 stars (11)

1,195 users

Dizionario italiano

Add support for Italian to spellchecking

Rated 4 out of 5 stars (71)

74,733 users

Croatian Dictionary (Hrvatski Rječnik)

Croatian Dictionary (Hrvatski Rječnik) for Mozilla Firefox, Thunderbird and SeaMonkey

Rated 5 out of 5 stars (9)

4,218 users

New Zealand English

An updated version of the original NZ English dictionary at https://addons.mozilla.org/en-US/firefox/addon/new-zealand-english-dict/

Not yet rated

2,504 users

Australian English Dictionary

FEATURES
- Profanity
- Racism
- Slang words
and so much more!

GitHub repo @ https://github.com/Caskexe/Australian-English-Dictionary
Firefox Add-ons listing @ https://addons.mozilla.org/en-GB/firefox/addon/australian-english-dictionary/

Not yet rated

1,287 users

European Portuguese Spellchecker

European Portuguese (pt-PT) Dictionary

Rated 4 out of 5 stars (95)

8,993 users

Italiano (it) Language Pack

Italiano (it) Language Pack

Not yet rated

48,978 users

Tiếng Việt (vi) Language Pack

Tiếng Việt (vi) Language Pack

Rated 5 out of 5 stars (1)

17,012 users

Slovar za slovenski jezik

Spell-checking dictionary for the Slovene language

Rated 5 out of 5 stars (16)

2,377 users

Restart Button

Adds a Restart Button, restarts Thunderbird

Rated 4 out of 5 stars (11)

1,285 users