The best replacement for syslog is snmp.

The best alternatives to syslog are rated as following:
★★★★★  snmp
★★★★  rsyslog
★★★  syslog-ng
★★  netflow
★★  log4j
★★  messages
★  event log
★  traps
★  logstash
★  scribe
  flume
  snmp traps
  snmp trap
  syslog ng
  snmp cisco
  siem

Your alternative for syslog is not listed? Suggest!
Speaking about syslog, one probably shouldn't forget about log4j.

Other search terms related to syslog and their ratings are:
★★★★★ log4j
★★★★ splunk
★ syslog
rsyslog
You have in mind a companion for syslog and it is not yet here? Propose!



Google Trends

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