Yes, both Gmelius and Zimbra Cloud offer a Free Trial.
Gmelius is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Zimbra Cloud is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Gmelius begins at $7/User/Month when Billed Yearly, while pricing details for Zimbra Cloud are unavailable.
Some top alternatives to Gmelius includes CollaborateCloud, ClickUp, Hiver, Collabee, Google Workspace, Zimbra Cloud, CoLab, Collabtools, Zapmail, Dragit and Drag.
Some top alternatives to Zimbra Cloud includes CollaborateCloud, Zoho Connect, Zoho Cliq, Airtable, ClickUp, Zimbra Collaboration, Teamwork CRM, ZeyOS, Zapmail, Desktop.com and Consider.