TrueNAS Core - TrueNAS Core (formerly FreeNAS) is a storage operating system strong and robust enough to meet the needs of enterprise level businesses.
Ceph - Ceph is a distributed object store and file system designed to provide excellent performance...
Amahi - Amahi is a media, home and app server software known for its easy-to-use user interface. Amahi has the best media, backup and web apps for small networks.
GlusterFS - GlusterFS is a scale-out network-attached storage file system.
XigmaNAS - File Sharing, OS & Utilities, and Security & Privacy
Minio - Minio is an open-source minimal cloud storage server.