Alaska
Yes, both LiquidPlanner and Trello offer a Free Trial.
LiquidPlanner is designed for Large Enterprises and Medium 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 LiquidPlanner are unavailable.
Some top alternatives to LiquidPlanner includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Jira, Microsoft PPM, Wrike, ProjectManager.com, Microsoft Project, VisionProject, Projectworks, RationalPlan, Quick Base, Resource Management by Smartsheet, Height and Project Insight.
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.