Yes, both Calendly and Ledger offer a Free Trial.
Calendly is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Ledger is designed for Large Enterprises, Small Business and Medium Business.
Pricing for Calendly Starts at $8/User/Month when Billed Yearly whereas for Ledger Starts at $59.00per month when Billed Yearly.
Some top alternatives to Calendly includes Appointy, Acuity Scheduling, Setmore, Microsoft Bookings, Cogsworth, Book Like A Boss, Doodle, Tidycal, Cal.com, DaySchedule, Google Calendar, Calendar and Zoho Booking.
Some top alternatives to Ledger includes and undefined.