PlannerMode is an organizer and day planner for Emacs.  It helps you
keep track of your pending and completed tasks, daily schedule, dates
to remember, notes and inspirations. It is a powerful tool not only
for managing your time and productivity, but also for keeping within
easy keystroke reach all of the information you need to be
productive. It can even publish reports charting your work for your
personal web page, your conscience, or your soon-to-be-impressed boss.

WWW: http://www.emacswiki.org/cgi-bin/wiki/PlannerMode