Toolbar-Buttons for Lightning; advances the feature to get rid of the tabbar.
Add as many local folders as you want to (like outlook PST).
NB. It doesn't import PST files.
Persistent sticky notes for Thunderbird associated to mails.
This is a port to Thunderbird >= 3 and Seamonkey >= 2 based on XNote 2.1.0 ( https://addons.mozilla.org/en-US/thunderbird/addon/3093 ) with bugfixes and additional features.
Adds some options to print messages and addressbooks
It adds a button that can be put in toolbars and that open the addressbook in a new tab
Adds extension options dialogs to the Tools or Titlebar menu and includes toolbar icon.
Powerful message searching through expressions. Type "from:fred to:tom" to see all messages from Fred to Tom in the current view. Support 'regular expressions' and 'click to search'.
Quickly highlight some text in Thunderbird message composing windows.
Adds a summary of mail accounts and folders to replace the account central pane and the empty folder preview
Tasks and emails management in a Thunderbird extension. tasks are stored in emails folder and it's possible to link an email to a task.
See all in one, emails and tasks (no more pain to synchronize a task manager).
Add arrow buttons for rotating among folder views, and switch to "All Folders" view when hovering over the folder pane during drag & drop.
This add-on allows you run your message filters automatically on outgoing messages after sending. In other words, it's a outgoing filter for thunderbird and seamonkey.
Adds submenus for flipping or rotating to the image context menu.
This add-on is no longer being maintained. Please use