Yes, both ClickUp and Ravetree offer a Free Trial.
ClickUp is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Ravetree is designed for Large Enterprises, Medium Business and Small Business.
Pricing for ClickUp Starts at $7/User/Month when yearly whereas for Ravetree Starts at $29/Month.
Some top alternatives to ClickUp includes Basecamp, Trello, TeamGantt, Asana, Teamwork, ProjectManager.com, ProWorkflow, nTask, Todoist and Height.
Some top alternatives to Ravetree includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Wrike, monday.com, Asana, Teamwork, ProjectManager.com, ProWorkflow, Workep, Projectworks, WirTask, WiseTeam, Quick Base and Project Insight.