Yes, both Clarizen Go and ProWorkflow offer a Free Trial.
Clarizen Go is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
ProWorkflow is designed for Large Enterprises, Medium Business and Small Business.
The starting price of ProWorkflow begins at $9/User/Month when Billed Yearly, while pricing details for Clarizen Go are unavailable.
Some top alternatives to Clarizen Go includes Todoist, Wrike, Clarizen One, Smartsheet, Teamwork, ProjectManager.com, ProWorkflow, nTask, Today, MeisterTask, Taskwall, ClickUp and SmartTask.
Some top alternatives to ProWorkflow includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Wrike, TeamGantt, Asana, Teamwork, ProjectManager.com, WorkflowMax, ProProfs Project, Projectworks, Taskworld, WirTask, Quick Base and Flow.