The release of FreeNAS 8 includes major architectural optimizations, a django-driven user interface, and ZFS - lending us some useful features like thin provisioning, periodic snapshots, LDAP and Active Directory authorization along with the most popular platform sharing protocols.
FreeNAS 8 retains enterprise-class services while eliminating some "Home User" functionality such as iTunes/DAAP, Bit Torrent, and UPnP. These features will make it back as third-party plugins at a later date. You may have noticed FreeNAS.org has changed a bit...
FreeNAS is a free, open source, Network-Attached Storage operating system based on FreeBSD. it uses a custom version of FreeBSD and a web-based interface to provide a fully-featured NAS environment. FreeNAS offers software-based storage and backup solutions for a variety of applications, from home to enterprise.