Yes, both IBM QRadar and SentinelAgent offer a Free Trial.
IBM QRadar is designed for Large Enterprises and Medium Business.
SentinelAgent is designed for Large Enterprises, Medium Business and Small Business.
The starting price of IBM QRadar begins at $800/Month, while pricing details for SentinelAgent are unavailable.
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 SentinelAgent includes ManageEngine Applications Manager, Scout APM, Datadog APM, Nastel AutoPilot, AppDynamics, Instrumental, Monitis, Uptime360, Binocs and SolarWinds Network Performance Monitor.