FreeIPMI
Lets you interact with the BMC even if ipmi isn't set up (which is the case on Dell SC1425 voyager now). Doesn't appear to require the /dev/ipmi0 node that ipmitool requires.
Useful:
List events:
# ipmi-sel
1:26-Sep-2011 15:34:17:Event Logging Disabled SEL:Log Area Reset/Cleared
Clear events:
Link