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OpenPGP Alias Updater

Updates the local OpenPGP Alias file from a server to simplify encryption for mailing lists, or email aliases in an organizational environment.

Please make sure config parameter "mail.openpgp.alias_rules_file" is set to "openpgp_alias.json".

Rated 5 out of 5 stars (1)
807 users

GrapeVine for Salesforce

Connects Thunderbird to Salesforce.com

- Archive Emails from Thunderbird email accounts into Salesforce, automatically
- Synchronise Salesforce Contacts and Leads into Thunderbird's address book
- Create Contacts/Leads in Salesforce from emails

Rated 5 out of 5 stars (1)
15 users

Netiquette Checker

An integrated netiquette checker for EPITA students.

List all the netiquette rules that are not respected when writing an email.

Feel free to contirbute to the repository:
- https://github.com/d4ilyrun/netiquette

Not yet rated
4 users

Proton Mail Toolbar Button

Adds a Proton Mail button to the toolbar. The button simply opens a new tab with the https://mail.proton.me webpage.

Rated 5 out of 5 stars (3)
518 users

Strip inline images

Adds a button to the compose window to remove inline images from messages. The images are replaced with their filename in angled brackets.

This is helpful when replying to long message threads with lots of embedded images.

Rated 5 out of 5 stars (3)
138 users

vault56 protection

vault56 protection protects against potentially malicious attached files and links. Links are rewritten to pass through vault56 URL protection servers and checked for trackers and malicious activity.

Rated 5 out of 5 stars (2)
53 users

Spellchecker Rumantsch Sutsilvan

Spellchecker Rumantsch Sutsilvan

Not yet rated
3 users

Google Calendar Tab

Adds a button to open Google Calendar in a new Tab

Rated 4 out of 5 stars (17)
7,664 users

Custom Subject Column

Add a column to the message list that replaces the subject with a regular expression

Rated 5 out of 5 stars (1)
25 users

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.

Not yet rated
3 users

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.

Rated 5 out of 5 stars (2)
22,948 users

Microsoft 365 Link Opener

Open a shared link of a SharePoint or OneDrive file directly with the right app, instead of the browser.

Rated 5 out of 5 stars (1)
188 users

Open Google Keep

Adds an icon on the spaces toolbar to quickly open Google Keep

Rated 5 out of 5 stars (1)
216 users

thundersort

Sort incoming mails into account folders based on the local part (based on regex)

Rated 5 out of 5 stars (1)
227 users

Webbuttons - Skype Web

Adds a button in the toolbar for Skype Web. Icon source: https://www.flaticon.com/free-icon/skype_16167326

Not yet rated
6 users

Customoji

Adds easy custom emojis to Thunderbird.

NOTE: you need to add the emojis yourself in the extension settings

Not yet rated
30 users

GroupMe - Web Tab

This extensions opens a Thunderbird tab for the GroupMe web interface.

Not yet rated
7 users

Beeper Thunderbird Add-on

A simple add-on with a button in the Spaces toolbar.

I created this by reverse engineering one of the many good add-ons in the Mozilla store and replaced the URL with chat.beeper.com and a logo.

Requires an account with beeper.com

Not yet rated
9 users

Todoist - Quick Access

Quick Access to Todoist in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

Not yet rated
56 users

External Editor Revived

Edit emails in external editors such as Vim, Neovim, Emacs, etc.

Rated 5 out of 5 stars (7)
334 users