Yes, both Slemma and DataHero offer a Free Trial.
Slemma is designed for Medium Business and Small Business.
DataHero is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Slemma Starts at $89/Month when Billed Yearly whereas for DataHero Starts at $49/Month.
Some top alternatives to Slemma includes Alteryx, iDashboards, DataHero, Databox, DashThis, Klipfolio Dashboard, myDATA3, Easy Insight, AppInsights and Analytics Canvas.
Some top alternatives to DataHero includes iDashboards, Corporater Business Management Platform, Databox, Klipfolio Dashboard, Tableau, SplashBI, Dundas BI, SAS Business Intelligence, Easy Insight and Tableau Server.