NRGi
Yes, both IBM QRadar and SolarWinds Security Event Manager offer a Free Trial.
IBM QRadar is designed for Large Enterprises and Medium Business.
SolarWinds Security Event Manager is designed for Large Enterprises, Small Business and Medium Business.
Pricing for IBM QRadar Starts at $800/Month whereas for SolarWinds Security Event Manager Starts at $2,525.00 when Billed Yearly.
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 SolarWinds Security Event Manager includes and undefined.