Yes, both Knowi and Tableau offer a Free Trial.
Knowi is designed for Large Enterprises, Medium Business and Small Business.
Tableau is designed for Large Enterprises, Medium Business and Small Business.
The starting price of Tableau begins at $12/User/Month, while pricing details for Knowi are unavailable.
Some top alternatives to Knowi includes Sisense, Tableau, Microsoft Power BI, IBM Cognos Analytics, Dundas BI, SAS Business Intelligence, SAP BusinessObjects BI, ibi Analytics Platform and Microsoft Power BI Desktop.
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.