Yes, both Smartsheet and Trello offer a Free Trial.
Smartsheet is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Trello is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Smartsheet Starts at $7/User/Month when Billed Yearly whereas for Trello Starts at $5/User/Month when Billed Yearly.
Some top alternatives to Smartsheet includes Microsoft PPM, Trello, TeamGantt, monday.com, Asana, Teamwork, ProjectManager.com and Microsoft Project.
Some top alternatives to Trello includes Basecamp, Wrike, Smartsheet, Zoho Projects, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project, Worksuite, Trackboard and Height.