Yes, both ProWorkflow and Project.co offer a Free Trial.
ProWorkflow is designed for Large Enterprises, Medium Business and Small Business.
Project.co is designed for Individuals, Freelancers, Medium Business and Small Business.
Pricing for ProWorkflow Starts at $9/User/Month when Billed Yearly whereas for Project.co Starts at $10/User/Month.
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.
Some top alternatives to Project.co includes TeamGantt, Zoho Projects, Teamwork, ActiveCollab, ProjectManager.com, Microsoft Project, Projectworks, TaskBranch, CollaborateCloud, ClickUp and Project Insight.