Thunderbird (Linux)

Former package name was icedove

• Enhanced Desktop Notifications
• GNotifier Add-on for Thunderbird that replaces the built-in notifications with OS native ones. It supports most Linux Desktop Environments as well as Windows 8.1/10.
• **ConfigDate* Change Date format from US to PL: https://addons.thunderbird.net/en-us/thunderbird/addon/configdate/

sudo apt-get install calendar-google-provider