Raccolta delle estensioni più interessanti (mia opinione) per thunderbird.
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.
Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Orkut, and many, many other sites. You can even customize Firefox and other programs themselves.
OpenPGP message encryption and authentication for Thunderbird and SeaMonkey.
Displays the address books in a sidebar in Thunderbirds 3-pane-window and can be toggled with the F4 key or a toolbar button.
Visit my Contacts Sidebar site for recent versions and news.
Allow to redirect (a.k.a. "bounce") mail messages to other recipients.
Did your friend send you a cool link? Want to read the rest of that interesting article? Don't want to open up your web browser just to view it? You don't have to! Just view it in Thunderbird with ThunderBrowse!
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
British English Dictionary R1.19 for Firefox, Thunderbird and SeaMonkey by David Bartlett.
To enable, right-click in a multi-line text box, select "Languages", then "English / United Kingdom".
Thunderbird Message Filter Import/Export is a thunderbird/mozilla extension to import/export message filters.
Select text and it's automatically copied to the clipboard. Also pastes on middle click.
Display birthdays from the Thunderbird addressbooks as events in Lightning.
Collector's Note installare anche MoreFunctionsForAddressBook: https://nic-nac-project.org/~kaosmos/morecols.html ...ed ovviamente anche Lightning che è presente in questa raccolta...
Minimizes Mozilla windows into the system tray. Also includes a right clickable tray icon menu to further load only the windows you want visible...
Export/Import Account Settings.....
Collector's Note Questo invece per fare un backup delle e-mail: http://www.extenzilla.org/scheda_estensione.php?id=239