These distributions are known to be working with muninlite:

* Floppyfw 3.0
 - Needs a busybox with inetd 
 - See http://pong.no/floppyfw/muninlite/
 
* Endian Firewall Community 2.1
 - Needs some kind of inetd (xinetd RPM from Centos might work)
 
* OpenSuSE 10.2 
 - Just works