NAS4Free is an embedded Open Source NAS (Network-Attached Storage) distribution based on FreeBSD.
It supports sharing across multiple operating systems, including Windows, Apple, and UNIX-like systems. NAS4Free is easy to set up in most home and enterprise environments and will allow you to manage and share large amounts of data easily across your network. NAS4Free also incorporates many different streaming features for sharing your multimedia with other devices on your network.
NAS4Free includes ZFS v5000 (Feature Flags) (RAID-Z, RAIDZ-2 & RAIDZ-3) Software RAID (0,1,5), JBOD, Disk Encryption, S.M.A.R.T. / Email Reports, includes the following protocols: CIFS/SMB (Samba), Active Directory Domain Controller (Samba), FTP, NFS, TFTP, AFP, RSYNC, Unison, iSCSI (initiator and target), HAST, CARP, Bridge, UPnP, and Bittorent, which are all highly configurable by using NAS4Free's great web user interface.