Yes, both Casual and Microsoft Project offer a Free Trial.
Casual is designed for Large Enterprises, Medium Business and Small Business.
Microsoft Project is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Casual Starts at $10/Month when Billed Yearly whereas for Microsoft Project Starts at $10/User/Month.
Some top alternatives to Casual includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Wrike, Teamwork, ProjectManager.com, Microsoft Project, ProWorkflow, Workep, Projectworks, WiseTeam, Quick Base, Height, Flow and Project Insight.
Some top alternatives to Microsoft Project includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Freshbooks, Jira, Basecamp, Microsoft PPM, Trello, Wrike, monday.com, Asana, ProjectManager.com, Worksuite, Projectworks, RationalPlan, Quick Base, Resource Guru and Resource Management by Smartsheet.