hi, until today I have located: TaoLinux http://www.taolinux.org CentOS http://caosity.org X/OS Linux http://www.xoslinux.org White Box http://whiteboxlinux.org Lineox http://www.lineox.com Fermi Linux http://www-oss.fnal.gov/projects/fermilinux Scientific Linux http://www.scientificlinux.org Rocks http://www.rocksclusters.org/Rocks any more out there?