Just deploy the lightweight VMware OVA appliance on your favorite hypervisor, redirect your ESXi syslog and snmp traps to SexiLog and start searching
SexiLog is just a bundle of awesome free tools with a bit of our knowledge and experience. It's free and will remain free as long as beer exists!
We know there is a geek in everyone. You can build your own appliance and add any SexiLog configuration files. Yes, you can Build Your Own SexiLog