Whonix is an Anonymous Operating System.
Open Source Enterprise Wiki and Web Application Platform
Thinstation OS based on OpenSuSE 11.4
JOPUX - a flexible and scalable application platform!
opensource-operation-system
Pre-configured Linux .OVA images
Virtual Machine Image To Test Penetration Skills
this is a root to boot vmware vulnerable images
Managing z - systems management of z/VM and Linux on the mainframe
Centreon Hypervisor for multiple Nagios Poller via FTP