Yes, both ClickUp and Confluence offer a Free Trial.
ClickUp is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Confluence is designed for Large Enterprises, Medium Business and Small Business.
Pricing for ClickUp Starts at $7/User/Month when yearly whereas for Confluence Starts at $8.33/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 Confluence includes Jira, Microsoft SharePoint, Google Workspace, GitBook, Zoho Wiki, Drupal Wiki, TWiki, Wiki Valley, XWiki and Team Wiki.