Roblox
Yes, both Grafana and Zenduty offer a Free Trial.
Grafana is designed for Large Enterprises, Medium Business and Small Business.
Zenduty is designed for Freelancers, Large Enterprises, Medium Business and Small Business.
Pricing for Grafana Starts at $49/Month whereas for Zenduty Starts at $5/User/Month when Billed Yearly.
Some top alternatives to Grafana includes iDashboards, DataHero, Databox, Klipfolio Dashboard, Prometheus, Splunk Cloud, SensorCloud, Chartbrew, SharpDash and Quickmetrics.
Some top alternatives to Zenduty includes Freshservice, PagerDuty, Opsgenie, VictorOps, AlertOps, Spike.sh, Rootly, Incident.io, StatusCast Incident Management, PagerTree and ResQ.