Yes, both Planless.io and TeamGantt offer a Free Trial.
Planless.io is designed for Medium Business and Small Business.
TeamGantt is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Planless.io Starts at $11/User/Month when Billed Yearly whereas for TeamGantt Starts at $19/Month when Billed Yearly.
Some top alternatives to Planless.io includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Wrike, TeamGantt, monday.com, Teamwork, ProjectManager.com, Microsoft Project, OpenProject, Projectplace, Quick Base, Project.co, Height and KanbanFlow.
Some top alternatives to TeamGantt includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Wrike, ManagePro, monday.com, Teamwork, ProjectManager.com, Microsoft Project, GanttPRO, Instagantt, ProWorkflow, Quick Base, GoodGantt and Gantt.io.