Yes, both Xero and Rentman offer a Free Trial.
Xero is designed for Freelancers, Medium Business and Small Business.
Rentman is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Rentman begins at $19/User/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 Rentman includes EasyRentPro Cloud, RENTALL, Car Rental Solutions, HQ Rental Software, RW Elephant, Rentroom, App4Rental, Reservety and InflatableOffice.