Add-Ons, die die Arbeit mit Thunderbird wesentlich erleichtern...
Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.
United States English Spellchecker for Firefox, Thunderbird and SeaMonkey by Kevin Atkinson and Geoff Kuenning.
To enable, right-click in a multi-line text box, select "Languages", then "English (United States)".
Allows bidirectional access to Google Calendar
German Dictionary (new Orthography) for spellchecking in Mozilla products
OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.
Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.
A system tray extension for Linux and Windows, allowing to set up custom icon, hiding to tray instead of closing, display the number of unread messages in mailing applications, and other features ...
Collector's Note Great! It works again!
Allow to redirect (a.k.a. "bounce") mail messages to other recipients.
Add symbol in header plane to switch between compact and expanded view. Options to switch between one or two lines compact view, which buttons should be displayed in header pane. For Thunderbird 36 and older use version 2.0.9 (see version history)
Collector's Note Unabdingbar - z. B. um Druck-, Redirect- und andere Icons in das neue Feld über der Nachricht zu übertragen!
It adds a button that can be put in toolbars and that open the addressbook in a new tab
Collector's Note Für TB3 unabdingbar!
Provides better integration with Gnome using standard notifications and other features
Collector's Note Only Add-on working with lucid and tb3. (Minimizing with alltray)
This 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 (if this is your default mode).
Allows to place a copy of sent messages (aka FCC) into the currently active folder or any other folder you choose, when you create the message. Usually the copies are placed into the 'Sent' folder. For replies, you may also move the original message.
Collections are groups of related add-ons that anyone can create and share.Explore Collections