FreeNAS is a Free NAS server that supports FTP, NFS protocols, Software RAID.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.

FreeNAS is a NAS server that supports FTP, NFS protocols, Software RAID.
FreeNAS takes less than 16MB once installed on Compact Flash, hard drive or USB key.

Base System
1. Base OS: Embedded FreeBSD 7.2 (supported devices list)
2. Need only 64MB on media (flash compliant) and 256Mb of RAM
3. Multiple arch: i386 or amd64
4. Full Web Management Interface

Network Protocols supported
1. SMB/CIFS (Samba)
2. AFP (Netatalk)
3. NFS
4. FTP (ProFTPD)
5. TFTP (tftp-hpa)
6. RSYNC (client/server)
7. Unison
8. SCP (SSH)
9. iSCSI target

Extra services
1. Bittorent client (Transmission)
2. UPnP server (FUPPES)
3. iTunes/DAAP server (Firefly)
4. Webserver (lighttpd)
5. Network bandwitdh measure (Iperf)

Hard drive / volume management
1. ZFS
2. Software RAID 0,1,5 and mix (1+0,1+1, etc )
3. Disk encryption (using cryptographic accelerator card if present)
4. Filesystem: UFS, Ext2/3, FAT, NTFS
5. Partition: MBR and GPT
6. iSCSI initiator

Network
1. 802.1q vlan tagging
2. Wireless
3. link aggregation
4. Wake On Lan

Monitoring
1. S.M.A.R.T (smartmontools)
2. e-mail alert
3. SNMP
4. Syslog
5. UPS (NUT)

Hardware Requirements
1. A PC with a minimum of 192MB of RAM, a bootable CD-Rom Drive plus either:
2. A Floppy Disk (for configuration storage) and one or more Hard Drives (as storage)
3. A Bootable USB or CF drive (64MB minimum for Embedded platform, 128MB for Full platform)
4. and one or more Hard Drives (as storage)
5. A Bootable Hard Drive and one or more Hard Drives (as storage)
6. A Bootable Hard Drive (which will be partitioned for FreeNAS and Data)
7. Or a virtual PC emulator such as VMware/QEMU, configured as above.

The license of this software is Freeware, you can free download and free use this server utility software.