Yes, both Gantter and Smartsheet offer a Free Trial.
Gantter is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Smartsheet is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Gantter Starts at $5/User/Month whereas for Smartsheet Starts at $9/month when yearly.
Some top alternatives to Gantter includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Microsoft PPM, Wrike, TeamGantt, monday.com, Teamwork, ProjectManager.com, Microsoft Project, Workep, Worksuite, Plan, Quick Base and Ravetree.
Some top alternatives to Smartsheet includes Quickbase , ClickUp, Zoho Projects, Jira, Microsoft PPM, Trello, TeamGantt, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project and Airtable.