The Chronology tool is designed for serious use by lawyers and other professionals. It has many options for describing dates, including 'approx.', 'June-July 97' etc and even sorts dates and times that cross time zones.
LivingTime is a combination of journal, logbook, calendar, and timeliner. Can't remember exactly how the events in your life unfolded? Have them all at your fingertips, with LivingTime. Record it once, and never again struggle to remember. LivingTime ...