NAS4Free is an embedded Open Source Storage NAS (Network-Attached Storage) distribution based on FreeBSD. This project is a continuation of FreeNAS 7 series project. FreeNAS 8 is based on nanoBSD where as NAS4Free is based on FreeBSD 9.x, hence the name change.
NAS4Free supports sharing across Windows, Apple, and UNIX-like systems. It includes ZFS v28, Software RAID (0,1,5), disk encryption, S.M.A.R.T / email reports etc. with the following protocols: CIFS (samba), FTP, NFS, TFTP, AFP, RSYNC, Unison, iSCSI (initiator and target), UPnP, and Bittorent which is all highly configurable by its web interface. NAS4Free can be installed on Compact Flash/USB/SSD key, Hard disk or booted from a LiveCD with a small USB key for configuration storage.