Yes, both Xero and Oyster offer a Free Trial.
Xero is designed for Freelancers, Medium Business and Small Business.
Oyster is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Oyster begins at $25/employee/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 Oyster includes BambooHR, Workable, GoCo, Paychex Flex, Remote.com, Rippling, WebHR, UrHRM, HRAPP, ClearCompany, BrainyHR, tomHRM, EntireHR, Built for Teams, Papaya Global, Paycor, Access People HR, HRM wage and HRSprout.