What are some alternatives?
When comparing barracudaserver.com FuguHub and Rockstor, 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.
OpenMediaVault - OpenMediaVault is the next generation network attached storage (NAS) solution based on Debian Linux.
PetaSAN - PetaSAN is an open source Scale-Out SAN solution offering massive scalability and performance.
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.
ReadyNAS - ReadyNAS by NETGEAR.
unRAID Server - A scalable, consumer-oriented, server operating system.