Yes, both Splunk Enterprise and Diyotta offer a Free Trial.
Splunk Enterprise is designed for Large Enterprises and Medium Business.
Diyotta is designed for Large Enterprises, Medium Business and Small Business.
Pricing for Splunk Enterprise Starts at $150/Month whereas for Diyotta Starts at $1,000/Month.
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.
Some top alternatives to Diyotta includes Talend Cloud Data Integration, Wdata, Semantic Fact, Data Monkey, Lotame, data.world, Iteratively, Cohelion Data Platform, K3 and Dataform.