Rated 4 out of 5 stars

by msallee on Dec. 22, 2009 ·

Works fine with Thunderbird 3 on Mac if you download the latest from:
http://releases.mozilla.org/pub/mozilla.org/calendar/lightning/releases/1.0b1rc1/mac/
Nice look and feel.

This review is for a previous version of the add-on (0.5.5).