Yes, both ClickUp and Nuclino offer a Free Trial.
ClickUp is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Nuclino is designed for Large Enterprises, Medium Business and Small Business.
Pricing for ClickUp Starts at $7/User/Month when yearly whereas for Nuclino Starts at $5/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 Nuclino includes ClickUp, Trello, Confluence, CollaborateCloud, Airtable, Microsoft SharePoint, Collabee, Slab, Notion, Slite and Witeboard.