Thunderbird Add-ons

Notify on This Folder Not That Folder: A Thunderbird Extension allowing you to choose which accounts and folders to get notifications for. Also allows setting different sounds for each account.

[Thunderbird Add-on] Configure text and background colors of quotes in mail and news messages.

[Thunderbird Add-on] Allows to have HTML temporarily allowed in the currently displayed message by only one click. When switching to another message, it'll be shown automatically again in plain text or simple html mode (based on your settings).

[Thunderbird Add-on] Extends the original "Get" button (based on your settings) to "Get/Send" and adds a popup menu with additional functions.

Thunderbird extension to copy any text selected in an email immediately

[Thunderbird Add-on] A (work in progress) fixed version of the original Add-on "AttachmentExtractor" which is no longer supported and fixed by the original author. It extracts all attachments from selected messages and then can delete, detach...