The best replacement for ipmi is snmp.

The best alternatives to ipmi are rated as following:
★★★★★  snmp
★★★★★  ilo
★★★★  amt
★★★  vpro
★★★  drac
★★  dcmi
★  wake on lan

Your alternative for ipmi is not listed? Suggest!
Speaking about ipmi, one probably shouldn't forget about bmc.

Other search terms related to ipmi and their ratings are:
★★★★★ bmc
You have in mind a companion for ipmi and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of ipmi in all years. Click on graph for more.
ipmi
snmp
ilo