Kantar
Yes, both ProjectManager.com and Trello offer a Free Trial.
ProjectManager.com is designed for Large Enterprises, Medium Business and Small Business.
Trello is designed for Individuals, Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Trello begins at $5/User/Month when Billed Yearly, while pricing details for ProjectManager.com are unavailable.
Some top alternatives to ProjectManager.com includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Microsoft PPM, Wrike, TeamGantt, exactllyPMS, monday.com, Teamwork, Microsoft Project, Quick Base, Today, Height, Project Insight and TaskBlast.
Some top alternatives to Trello includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Freshbooks, Jira, Basecamp, Wrike, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project, Worksuite, Trackboard, Quick Base, Todoist, Resource Guru and Height.