A brief IT orchestration engines/software overview (for OpenStack)

Automating installation:
1. Salt Stack - http://wiki.saltstack.cn/
2. Chef - https://github.com/opscode/chef
3. Puppet - https://github.com/puppetlabs/puppet
4. Ansible - https://github.com/ansible/ansible-redhat-openstack (Manage up to 10 machines for free.)

5. Juju - juju.ubuntu.com


Commercial Distributions:
1. StackOps(.iso) 
2. Piston OpenStack - http://www.pistoncloud.com/openstack-cloud-software/technology/
3. cloudscaling - http://www.cloudscaling.com/products/ocs-system-overview/
4. suse cloud

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Others:

1. devstack(Developer enviroment) - Ubuntu / openSUSE
2. RDO -  (RHEL) 6.4, or equivalent version(CentOS, Scientific Linux,  Fedora 19 )
3. mirantis FUEL
4. UnitedStack UOS

Reference:

https://wiki.openstack.org/wiki/Get_OpenStack
http://hi.baidu.com/chenshake/item/6f6a0274b2aa315f0d0a07f2