Neither Zimbra Desktop nor Collabora Online offers a free trial.
Zimbra Desktop is designed for Large Enterprises, Medium Business and Small Business.
Collabora Online is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Collabora Online begins at $18/User/Year, while pricing details for Zimbra Desktop are unavailable.
Some top alternatives to Zimbra Desktop includes Flock, ClickUp, Zimbra Collaboration, ownCloud, BlueMind, Melp, Zimbra Cloud, WorkInSync, OfficeFiles, Collabora Online and Outlook.
Some top alternatives to Collabora Online includes Nextcloud, ONLYOFFICE, ownCloud.online, ownCloud, LibreOffice, Qualified, OfficeSpace Software, Workvivo, OfficeFiles, Ability Office and OfficeSuite.