Yes, both Xero and Paymo offer a Free Trial.
Xero is designed for Freelancers, Medium Business and Small Business.
Paymo is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Paymo begins at $4.95/User/Month when Billed Yearly, 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 Paymo includes ClickUp, Smartsheet, Miro, Process Street, Wrike, Notion, HubSpot CRM, TeamGantt, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project, ProWorkflow, VisionProject, Quick Base, Height and Project Insight.