Yes, both Xero and BookingLayer offer a Free Trial.
Xero is designed for Freelancers, Medium Business and Small Business.
BookingLayer is designed for Large Enterprises and Medium Business.
The starting price of BookingLayer begins at $110/Month, while pricing details for Xero are unavailable.
Some top alternatives to Xero includes Quickbooks, Sage Accounting (Sage One), Zoho Books, Zoho Daybook, QuickFile, Sage Business Cloud Accounting, MYOB, QuickBooks Desktop Pro, QuickBooks Online Advanced and Sage 50cloud Accounting.
Some top alternatives to BookingLayer includes Appointy, Calendly, SimplyBook.me, Cogsworth, Book Like A Boss, Scheduly, GoSchedule, Booking Social, FlexBooker, Hapio, Probooking, Rezrva and Zoho Booking.