Yes, both Databox and Slemma offer a Free Trial.
Databox is designed for Large Enterprises, Medium Business and Small Business.
Slemma is designed for Medium Business and Small Business.
Pricing for Databox Starts at $135/Month when Billed Yearly whereas for Slemma Starts at $89/Month when Billed Yearly.
Some top alternatives to Databox includes Alteryx, iDashboards, DashThis, Geckoboard, Grafana, Klipfolio Dashboard, Dundas BI, myDATA3, SimpleKPI and BrightGauge.
Some top alternatives to Slemma includes Alteryx, iDashboards, DataHero, Databox, DashThis, Klipfolio Dashboard, myDATA3, Easy Insight, AppInsights and Analytics Canvas.