[[wp:Puppet_(software)|Puppet]], [[wp:Chef_(software)|Chef]], Salt and [[Ansible]], [[Bcfg2 ]] are among the leading [[wp:Comparison_of_open_source_configuration_management_software|Configuration Management]] softwares. Puppet and Chef are the most cross-platform.
Chef can be used to manage not just virtual and physical hosts, but also other types of nodes like a switch or a router in your network.