Siemens
Yes, both Microsoft Excel and Zendesk Support offer a Free Trial.
Microsoft Excel is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Zendesk Support is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Microsoft Excel Starts at $5 whereas for Zendesk Support Starts at $19/user/month when yearly.
Some top alternatives to Microsoft Excel includes SpreadsheetWEB, Apple Numbers, Zoho Sheet, Google Sheets, Retable, Rows, LibreOffice, iWork and Sheet2APi.
Some top alternatives to Zendesk Support includes Zoho Desk, ManageEngine ServiceDesk Plus, Deskero, Support Hub, HelpDesk, Desky, Help Scout, Salesforce Service Cloud, ReadyDesk, Sitehelpdesk, HESK and BoldDesk.