Yes, both Papermind and ClickUp offer a Free Trial.
Papermind is designed for Large Enterprises, Medium Business and Small Business.
ClickUp is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Papermind Starts at $19/Month whereas for ClickUp Starts at $7/User/Month when yearly.
Some top alternatives to Papermind includes CollaborateCloud, Airtable, ClickUp, Collabee, Portway, Slite, Slack, Glip, Appinall, Teams.cc by 500apps and Witeboard.
Some top alternatives to ClickUp includes Basecamp, Trello, TeamGantt, Asana, Teamwork, ProjectManager.com, ProWorkflow, nTask, Todoist and Height.