Yes, both Xero and Dusk FSM offer a Free Trial.
Xero is designed for Freelancers, Medium Business and Small Business.
Dusk FSM is designed for and undefined.
The starting price of Dusk FSM begins at $15000/year when yearly, while pricing details for Xero are unavailable.
Some top alternatives to Xero includes Patriot Accounting, 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 Dusk FSM includes Service Fusion and Housecall Pro.