Yes, both Zimbra Cloud and ClickUp offer a Free Trial.
Zimbra Cloud is designed for Large Enterprises, Medium Business and Small Business.
ClickUp is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
The starting price of ClickUp begins at $7/User/Month when yearly, while pricing details for Zimbra Cloud are unavailable.
Some top alternatives to Zimbra Cloud includes ClickUp, CollaborateCloud, Zoho Connect, Zoho Cliq, Airtable, Zimbra Collaboration, Teamwork CRM, ZeyOS, Zapmail, Desktop.com and Consider.
Some top alternatives to ClickUp includes Basecamp, Trello, TeamGantt, Asana, Teamwork, ProjectManager.com, ProWorkflow, nTask, Todoist and Height.