Yes, both Grafana and Whatagraph offer a Free Trial.
Grafana is designed for Large Enterprises, Medium Business and Small Business.
Whatagraph is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Grafana Starts at $49/Month whereas for Whatagraph Starts at $119/Month.
Some top alternatives to Grafana includes iDashboards, DataHero, Databox, Klipfolio Dashboard, Prometheus, Splunk Cloud, SensorCloud, Chartbrew, SharpDash and Quickmetrics.
Some top alternatives to Whatagraph includes AgencyAnalytics, Reportz, iDashboards, DashThis, myDATA3, GreyMetrics, Megalytic, AgencyREPORTER, Analytics Canvas and SharpDash.