Yes, both Gusto and Accelo offer a Free Trial.
Gusto is designed for Freelancers, Medium Business and Small Business.
Accelo is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Gusto Starts at $40/user/month when monthly whereas for Accelo Starts at $24/User/Month when Billed Yearly.
Some top alternatives to Gusto includes BambooHR, Paychex Flex, Rippling, Freshbooks, ADP Workforce Now, Justworks, Zenefits, Paycom, OnPay, RUN Powered by ADP, QuickBooks Payroll, Deel, Remote.com, Papaya Global, Multiplier, ADP Payroll Services, Remofirst, Paycor, NETCHEX and Elite HRMS.
Some top alternatives to Accelo includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Scoro, Wrike, ManagePro, Asana, Teamwork, ProjectManager.com, ProProfs Project, Microsoft Project, GanttPRO, ProWorkflow, ProgressBoard and Quick Base.