Yes, both I Done This and TeamGantt offer a Free Trial.
I Done This is designed for Medium Business and Small Business.
TeamGantt is designed for Large Enterprises, Medium Business and Small Business.
Pricing for I Done This Starts at $9/User/Month when Billed Yearly whereas for TeamGantt Starts at $19/Month when Billed Yearly.
Some top alternatives to I Done This includes Todoist, Wrike, Smartsheet, TeamGantt, Teamwork, ProjectManager.com, nTask, TaskBranch, Today, MeisterTask, ClickUp and SmartTask.
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.