The Datadog IoT agents are cheaper, but still probably more than you’d want to spend on a lab.
You also only get system metrics, no integrations - but most metrics and checks can be done remotely with a single dedicated agent
You also only get system metrics, no integrations - but most metrics and checks can be done remotely with a single dedicated agent
NewRelic and Grafana Cloud have pretty good free plan limits, but I'm paying for that in effort because I don't use either at work so it's not what I'm used to.