Yes, both ProductPlan and Pivotal Tracker offer a Free Trial.
ProductPlan is designed for Large Enterprises, Medium Business and Small Business.
Pivotal Tracker is designed for Large Enterprises, Medium Business and Small Business.
Pricing for ProductPlan Starts at $39/User/Month when Billed Yearly whereas for Pivotal Tracker Starts at $6.50/User/Month.
Some top alternatives to ProductPlan includes Aha!, Roadmunk, ProdPad, Jira, productboard, Productroad, ProductFlare, Next Please, IdeaPlan and LaunchNotes.
Some top alternatives to Pivotal Tracker includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Jira, Wrike, TeamGantt, Teamwork, ProjectManager.com, Microsoft Project, Backlog, Trackboard, Quick Base, Projectsly by 500apps, Height and Project Insight.