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.
German Dictionary (new Orthography) for spellchecking in Mozilla products
Switch the signature on/off or choose a new one from your predefined set...
Search and remove messages which are the same as other messages in your mail folders (referred to as duplicates or dupes).
Note from Mozilla: This add-on has been discontinued. Try Menu Icons Plus instead.
Adds icons to all menus along with some other features...
Synchronizes selected addressbooks with other instances of thunderbird
using ftp/webdav/imap servers
Allows for customization of the folder pane. Accounts can be rearranged and the startup folder can be chosen.
Gives a possibility to create custom toolbarbuttons...
Displays icon for user agent of received mails.
Keyboard shortcuts to change folder, move/copy messages, with folder name auto-completion.
The primary goal of the Mnenhy project is to make some enhancements to SeaMonkey MailNews/Thunderbird, since there're still plenty of comfort functions missing if compared to Netscape 4.x and other mail and news clients.
Adds buttons to the Thunderbird toolbars such as Next! and Previous! buttons for navigating through all messages instead of just unread ones. See homepage for more...
The Custom Buttons² Firefox extension provides the code base support necessary to create, maintain, import, and export custom toolbar buttons. The buttons can perform just about any task, with a large number of buttons already available on the exte...