Yes, both ClickUp and Thinkspace offer a Free Trial.
ClickUp is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Thinkspace is designed for Large Enterprises, Medium Business and Small Business.
Pricing for ClickUp Starts at $7/User/Month when yearly whereas for Thinkspace Starts at $10/User/Month when Billed Yearly.
Some top alternatives to ClickUp includes Basecamp, Trello, TeamGantt, Asana, Teamwork, ProjectManager.com, ProWorkflow, nTask, Todoist and Height.
Some top alternatives to Thinkspace includes CollaborateCloud, Zoho Connect, Airtable, ClickUp, mi.team, Google Workspace, Board, CoLab, Collabtools, Sparkin and Wide Ideas.