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 $9.80/User/Month, while pricing details for LiquidPlanner are unavailable.
Some top alternatives to LiquidPlanner includes Microsoft PPM, Wrike, Smartsheet, ProjectManager.com, Microsoft Project, VisionProject, Projectworks, RationalPlan, Resource Management by Smartsheet, Height and Project Insight.
Some top alternatives to Wrike includes Basecamp, Trello, TeamGantt, monday.com, Asana, Teamwork, ProjectManager.com, Microsoft Project and ProWorkflow.