This tutorial explains how to install
Lightning on
Icedove. This makes your Icedove acts as a complete calendar application like KOrganizer or GNOME Calendar. You can import ICS (iCalendar) files or subscribe to any online calendar or create a new calendar from scratch. As many of you may know, Icedove mail client is a derivative of Mozilla Thunderbird, but installing addon on it may be not easy. If you use Trisquel or Debian operating system, and use Icedove, this article is for you. Happy scheduling!
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