Yes, both Splunk Enterprise and IBM QRadar offer a Free Trial.
Splunk Enterprise is designed for Large Enterprises and Medium Business.
IBM QRadar is designed for Large Enterprises and Medium Business.
Pricing for Splunk Enterprise Starts at $150/Month whereas for IBM QRadar Starts at $800/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 IBM QRadar includes SentinelOne Endpoint Protection Platform, Splunk Enterprise, Splunk Cloud, Qualified, Microsoft Sentinel, Workvivo, LTS SOAR, Netsurion EventTracker, Sensato Nightingale, SentinelAgent, Juniper Secure Analytics and MiSentinel.