Yes, both Thrive and ClickUp offer a Free Trial.
Thrive is designed for Freelancers, Medium Business and Small Business.
ClickUp is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Thrive Starts at $15.80/User/Month when Billed Yearly whereas for ClickUp Starts at $7/User/Month when yearly.
Some top alternatives to Thrive includes Quickbase , Smartsheet, ClickUp, Zoho Projects, Basecamp, Trello, Wrike, TeamGantt, ProofHub, monday.com, Asana, ProjectManager.com, Quick Base, Citrix Podio and Adobe Workfront.
Some top alternatives to ClickUp includes Basecamp, Trello, TeamGantt, Asana, Teamwork, ProjectManager.com, ProWorkflow, nTask, Todoist and Height.