Turn Thunderbird into a secure mail and PIM application with NZ [Australian] language. My requirements are in between scribbling a shopping list and Customer Relations Management.
Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
Synchronizes contacts & groups between Thunderbird or SeaMonkey and Google Contacts. Imports Facebook friends, contacts you follow on Twitter, and more.
Access to Google contacts and synchronize them with Thunderbird address books.
Australian English Dictionary for Mozilla applications.
The "Swiss army knife" of folders. Turn your favorites into tabs - open folders and subfolders, move mails without scrolling around or searching. powerful + easy.
See new mail at a glance after automatic filtering - supports quickFilters addon!
Google and Zimbra contact sync for Thunderbird. (TB 24 and above NOT supported)
Thunderbird Message Filter Import/Export is a thunderbird/mozilla extension to import/export message filters.
Adds toolbar buttons to Mark All emails as Read, Mark Thread as Read, and Goto Next Unread Thread.
Copy and paste a name, phone number, address or other text from your Thunderbird address book quickly, with just a single menu click.
This extensions can import and export mozilla address books at startup and exit of Thunderbird. You can first save a mab at a specific location e.g. on a network or the internet (Version 2.0) and then let it be updated every time TB starts up or...