Dell EMC UnityVSA - dell-emc-unityvsa-overview-deployment
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.
DataCore SANsymphony - SANsymphony is a Software-Defined Storage powered by DataCore Parallel I/O technology for virtualization solution.
StorPool - StorPool is designed from the ground up to provide cloud builders, shared hosting providers and MSPs with the most resource efficient storage software on the market.
XigmaNAS - File Sharing, OS & Utilities, and Security & Privacy