Wildapricot
Yes, both ScheduleOnce and FreeBusy offer a Free Trial.
ScheduleOnce is designed for Large Enterprises, Medium Business and Small Business.
FreeBusy is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for ScheduleOnce Starts at $10/User/Month when Billed Yearly whereas for FreeBusy Starts at $4/User/Month when Billed Yearly.
Some top alternatives to ScheduleOnce includes Appointy, Acuity Scheduling, Calendly, Scheduly, SnapAppointments, DaySchedule, Appointmind, Web-appointments, i-Scheduling for Appointments and CatchApp Bookings.
Some top alternatives to FreeBusy includes Appointy, Setmore, Calendly, Cogsworth, Calendify, Book Like A Boss, EasyCalendar, SnapAppointments, hitAppoint, DaySchedule, Appointmind, i-Scheduling for Appointments and Calendar.