FreeNAS is an embedded open source NAS (Network-Attached Storage) distribution based on FreeBSD, supporting the following protocols: CIFS (samba), FTP, NFS, TFTP, AFP, RSYNC, Unison, iSCSI (initiator and target) and UPnP.
It supports Software RAID (0,1,5), ZFS, disk encryption, S.M.A.R.T/email monitoring with a WEB configuration interface (from m0n0wall).
FreeNAS can be installed on Compact Flash/USB key, hard drive or booted from LiveCD.
FreeNAS image files suitable for most people are available on SourceForge: https://sourceforge.net/projects/freenas/files/
This is where you can download the latest versions to install on your hardware.
See the changelog for more information about the current public releases or the Downloads page for different releases.
2009-12-15: iXsystems gives an interview about the future of FreeNAS on BSDTalk
2009-12-13: new website online!