Cloudian HyperStore Community Edition is a free full-featured version of Cloudian HyperStore software that can be installed on any commodity hardware in order to build a public, private or hybrid cloud storage solution. Community Edition provides up to 10TB of storage capacity for enterprises and service providers and features Community Edition forum support.
HyperStore software is delivered to you as a .bin file for installation on any Linux CentOS 6.X machine, or as a .iso file for installation on a virtual machine. Easy to follow documentation is also provided.
To view the EULA please look here