Yes, both Silverbucket and RationalPlan offer a Free Trial.
Silverbucket is designed for Large Enterprises, Medium Business and Small Business.
RationalPlan is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of RationalPlan begins at $4/User/Month when Billed Yearly, while pricing details for Silverbucket are unavailable.
Some top alternatives to Silverbucket includes monday.com, Wrike, Resource Management by Smartsheet, Smartsheet, MRMcentral, RationalPlan, InVision, Saviom Enterprise Resource Management, Retain, eResource Scheduler, Resource Guru, Runn, TeamQ and Projectum Team Planner.
Some top alternatives to RationalPlan includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Microsoft PPM, Wrike, monday.com, Teamwork, ProjectManager.com, Microsoft Project, Projectworks, Trackboard, TaskBranch, ProgressBoard, Quick Base and Project Insight.