TrueNAS Core - TrueNAS Core (formerly FreeNAS) is a storage operating system strong and robust enough to meet the needs of enterprise level businesses.

XigmaNAS - File Sharing, OS & Utilities, and Security & Privacy

OpenMediaVault - OpenMediaVault is the next generation network attached storage (NAS) solution based on Debian Linux.

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.

Unraid - Simplicity. Flexibility. Scalability. Modularity. Unraid empowers you to build the system you’ve always wanted using your preferred hardware, software, and operating systems.

PetaSAN - PetaSAN is an open source Scale-Out SAN solution offering massive scalability and performance.