Yes, both IBM QRadar and Splunk Enterprise offer a Free Trial.
IBM QRadar is designed for Large Enterprises and Medium Business.
Splunk Enterprise is designed for Large Enterprises and Medium Business.
Pricing for IBM QRadar Starts at $800/Month whereas for Splunk Enterprise Starts at $150/Month.
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.
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.