Yes, both Time Doctor and AtTrack offer a Free Trial.
Time Doctor is designed for Large Enterprises, Medium Business and Small Business.
AtTrack is designed for Freelancers, Medium Business and Small Business.
Pricing for Time Doctor Starts at $7/Month whereas for AtTrack Starts at $3/User/Month.
Some top alternatives to Time Doctor includes clockodo, TMetric, Toggl Track, Hubstaff, TrackingTime, Clockify, TimeTrack, Timesheet, AtTrack and Time Tracker by eBillity.
Some top alternatives to AtTrack includes Hubstaff, Clockify, TimeTrack, Time bot, Timebase, Time Track Bill, Timesheet, Time Analytics, Billable and Tack.