Yes, both LiquidPlanner and Wrike offer a Free Trial.
LiquidPlanner is designed for Large Enterprises and Medium Business.
Wrike is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of Wrike begins at $0/user/month when monthly, 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 Wrike includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Jira, Basecamp, Trello, TeamGantt, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project and ProWorkflow.