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Zivver for Thunderbird

This extension automatically detects Zivver messages and decrypts them on-the-fly using the Zivver API. Messages are decrypted only when actively displayed by the user and are never stored locally.

Not yet rated
10 users

WhatsApp - Thunderbird

Adds browser action icon to toolbar to open WhatsApp.

Rated 1 out of 5 stars (1)
205 users

White Screen

Use white screen test to detect dead pixels, stuck pixels, and other display defects.

Not yet rated
12 users

Black Screen

Use black screen test to detect dead pixels, stuck pixels, and other display defects.

Not yet rated
26 users

EagleCloud Extension

Works along with EagleCloud Information Security product to secure sensitive information based on company policy.

Not yet rated
4 users

Email Address Extractor

Sender-Recipient Exporter is a Thunderbird add-on that extracts sender email addresses, sender domains, and recipient email addresses from messages in the currently selected mail folder. The data is exported as a CSV file for easy analysis.

Rated 4 out of 5 stars (1)
43 users

Huastec spell checker Requires Restart

This is a spell checker for Huastec (Tének) language. It is based on the Potosina variety.

Copyright: Jesus Carretero. University Carlos III of Madrid. Spain

Thanks to Kevin Scannell (SLU, USA)

Not yet rated
1 user

Komi (kpv) spellchecker dictionary

Komi (kpv) dictionary for spell-checking in Firefox and Thunderbird

Rated 3 out of 5 stars (2)
11 users

Udmurt spellchecker dictionary

Udmurt dictionary for spell-checking in Firefox and Thunderbird

Rated 5 out of 5 stars (1)
0 users

Chechen [Noxchi] Spell Checker

Chechen Republic [Noxchi] Spell Checker

Rated 4 out of 5 stars (1)
1 user

Interlingua - Spelling dictionary

Dictionario orthographic pro Interlingua.
Spelling dictionary for Interlingua.

Not yet rated
1 user

Črkovalnik za slovenski jezik

Spell-checking dictionary for the Slovene language
Slovar za slovenski jezik

Rated 3 out of 5 stars (2)
115 users

Changelogger

Gets changelogs for updated addons

Not yet rated
617 users

Clacks Overhead

In tribute to the late Sir Terry Pratchett, many users are adding the message "GNU Terry Pratchett" into the email header "X-Clacks-Overhead". Clacks Overhead shows users when this appears in their emails and displays the message included.

Rated 5 out of 5 stars (1)
38 users

uBlock Origin

Finally, an efficient blocker. Easy on CPU and memory. uBlock Origin (uBO) is a CPU and memory-efficient wide-spectrum content blocker that blocks ads, trackers, coin miners, popups, annoying anti-blockers, etc. in your feeds.

Rated 4 out of 5 stars (11)
9,101 users

Articles Toolbar

Adds the Articles toolbar

Not yet rated
17 users

regimail

AddOn for sending regimail with Thunderbird on Windows, MacOS and Linux.

*IMPORTANT:*
In order to use this AddOn, you need to install the regify client on your system and configure it with a valid regify account.

Not yet rated
15 users

TimetableForWeb

Display just previous schedule.
Update current time schedule.
Good to update future schedule too.

I thank God through Jesus Christ.

Not yet rated
8 users

Mongolian Spellchecking Dictionary

Mongolian Spellchecking Dictionary

Rated 5 out of 5 stars (49)
9 users

StandardTexter

With the help of this Add-on, up to 99 pre-made texts (standard texts, text modules or even signatures) can be stored, which can then be retrieved and inserted when writing an e-mail.
The texts can be preformatted with HTML.

Rated 5 out of 5 stars (12)
2,024 users