1. FreeNAS: FreeNAS is a popular open-source NAS software that is based on FreeBSD. It is known for its user-friendly interface and simple setup process. FreeNAS supports multiple protocols including SMB/CIFS, NFS, and AFP. Features of FreeNAS Advantages of FreeNAS 2. OpenMediaVault: OpenMediaVault is a free and open-source NAS software that is built on Debian Linux. It is known for its flexibility and extensibility and supports multiple protocols including SMB/CIFS, NFS, and AFP. 3. NAS4Free (XigmaNAS) : History and Purpose Features Benefits 4. Openfiler: 5. Rockstor: 6. GlusterFS: 7. LizardFS: 8. Ceph: 9. OpenSFS: 10. Storage Spaces Direct: