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RM: EXTERNAL:
Requires Restart
Removes 'EXTERNAL: ' from the start of an email subject if it is preceded by 'RE:' or 'FWD:' (case insensitive). The removal is done after the 'Send' button is pressed.
Hide Duplicates From 'All Mail'
Hides duplicate emails from the 'All Mail' folder upon clicking on a result from Global Search, so that if one email is in both the 'All Mail' folder (e.g. of Gmail) and another folder (e.g. 'Sent'), it'll only show the email from the other folder.
Serial Letter
Requires Restart
Provides the ability to start writing a template-derived letter directly from within the address book. Supports also multiple recipients. Supports only TeX and similar systems at the moment.
nomapi
Don't Forget CC
sepsis-console (Deprecated)
Requires Restart
THIS VERSION IS DEPRECATED. Use https://addons.mozilla.org/en-US/developers/addon/sepsis-console instead. See the description below.
sepsis-console is a general-purpose JavaScript console for all Mozilla toolkit applications.
OBM Connector
BccBlocker
Requires Restart
A ThunderBird extension to prevent the use of the Bcc field.
Bcc is the worst thing ever.
It kills transparency inside an organization.
If you use the Bcc feature, you should ask yourself why..
ConfirmConversionsAtSelecting
[Notification] : : As of June 21st 2021, automated browserAction popup was fixed.
Confirm conversions of e-mail to event and task at selecting thread tree children.
Glory be to God!
Generate patch command
Requires Restart
Generate a command (or part of it) to send a patch as a reply to a thread − primarily intended for use with `git send-email`
P18X Protocol
Requires Restart
Send SMS direct to SMSC by the standalone mobile broadband USB-based modems of the brand ZTE with P18X Web UI.
JavaScript Object Examiner
Requires Restart
Display JavaScript object methods and properties for any available scope.
Contact DnD
Requires Restart
Enables one to assign a photo to a contact by dragging and dropping it from the local filesystem.
Asystent Nauki Angielskiego
Requires Restart
Pomoc w nauce angielskiego i rozumienia tekstów przez tłumaczenie pojedynczych, rzadkich słów.
sepsis-console
Requires Restart
A general-purpose JavaScript console for all Mozilla toolkit applications.
Complete master password
Requires Restart
The goal is to avoid to have to enter the master password on application startUp.
The extension is not self-sufficient, a script has to extract the master for a secure storage like gnome-keyring, then to transfer it through an environment variable.
DND Flavor InspectorTo create your own collections, you must have a Mozilla Add-ons account.
