Yes, both Stormly and Tableau offer a Free Trial.
Stormly is designed for Individuals, Medium Business and Small Business.
Tableau is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Stormly Starts at $209.30/Month whereas for Tableau Starts at $12/User/Month.
Some top alternatives to Stormly includes Entrinsik Informer, Sisense, Tableau, Ideal Analytics, Statsbot, Dundas BI, SAS Business Intelligence, Panintelligence, ibi Analytics Platform and dataSights.
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.