Yes, both Planview LeanKit and ClickUp offer a Free Trial.
Planview LeanKit is designed for Large Enterprises, Medium Business and Small Business.
ClickUp is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Planview LeanKit Starts at $20/User/Month whereas for ClickUp Starts at $7/User/Month when yearly.
Some top alternatives to Planview LeanKit includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Jira, Wrike, Teamwork, ProWorkflow, Workep, Kanbanize, Projectworks, Projectplace, Quick Base, Kanban Tool, Kanban Zone and KanbanFlow.
Some top alternatives to ClickUp includes Basecamp, Trello, TeamGantt, Asana, Teamwork, ProjectManager.com, ProWorkflow, nTask, Todoist and Height.