What are some alternatives?
When comparing ReadyNAS and OpenMediaVault, you can also consider the following products
FreeNAS - FreeNAS is a storage operating system strong and robust enough to meet the needs of enterprise level businesses.
Rockstor - Rockstor is a free and open source NAS (Network Attached Storage) operating system.
Amahi Home Server - Amahi is a media, home and app server software known for its easy-to-use user interface. Amahi has the best media, backup and web apps for small networks.
PetaSAN - PetaSAN is an open source Scale-Out SAN solution offering massive scalability and performance.
Zentyal - Linux directory, domain, mail, gateway and infrastructure server for SMBs.
Unraid - Simplicity. Flexibility. Scalability. Modularity. Unraid empowers you to build the system you’ve always wanted using your preferred hardware, software, and operating systems.