Yes, both AlertOps and Splunk Enterprise offer a Free Trial.
AlertOps is designed for Large Enterprises, Medium Business and Small Business.
Splunk Enterprise is designed for Large Enterprises and Medium Business.
Pricing for AlertOps Starts at $5/User/Month when Billed Yearly whereas for Splunk Enterprise Starts at $150/Month.
Some top alternatives to AlertOps includes Freshservice, PagerDuty, Opsgenie, VictorOps, YetiCloud, Spike.sh, Zenduty, Incident.io, StatusCast Incident Management, PagerTree and Kintaba.
Some top alternatives to Splunk Enterprise includes Reveal, Sprinkle Data, Data Monkey, Knarr, Iteratively, Splunk Cloud, Easy Insight, dataSights, Squirro Service Insights and Data Suisse.