Yes, both Microsoft Excel and Tableau offer a Free Trial.
Microsoft Excel is designed for Individuals, Large Enterprises, Medium Business and Small Business.
Tableau is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Microsoft Excel Starts at $5 whereas for Tableau Starts at $12/User/Month.
Some top alternatives to Microsoft Excel includes SpreadsheetWEB, Apple Numbers, Zoho Sheet, Google Sheets, Retable, Rows, LibreOffice, iWork and Sheet2APi.
Some top alternatives to Tableau includes Qlik Sense, Entrinsik Informer, Looker, Microsoft Power BI, Dundas BI, QlikView, SAS Business Intelligence, SAP BusinessObjects BI, Microsoft Power BI Desktop and dataSights.