TrueNAS Core - TrueNAS Core (formerly FreeNAS) is a storage operating system strong and robust enough to meet the needs of enterprise level businesses.
PetaSAN - PetaSAN is an open source Scale-Out SAN solution offering massive scalability and performance.
OpenMediaVault - OpenMediaVault is the next generation network attached storage (NAS) solution based on Debian Linux.
Dell EMC UnityVSA - dell-emc-unityvsa-overview-deployment
XigmaNAS - File Sharing, OS & Utilities, and Security & Privacy
ReadyNAS - ReadyNAS by NETGEAR.