The most popular alternative is OpenMediaVault, which is both free and Open Source. If that doesn't suit you, our users have ranked 22 alternatives to FreeNAS so hopefully you can find a suitable replacement. Other interesting FreeNAS alternatives are XigmaNAS (Free, Open Source), Unraid (Paid), Rockstor (Free, Open Source) and FuguHub (Free Personal).
- OpenMediaVault is the next generation network attached storage (NAS) solution based on Debian Linux. It contains services like SSH, (S)FTP, SMB/CIFS, DAAP media server, RSync, BitTorrent client and many more. It can be enhanced via plugins.
- XigmaNAS (formerly NAS4Free) is an embedded Open Source Storage NAS (Network-Attached Storage) distribution based on FreeBSD.
- An operating system for personal and small business use that brings enterprise-class features letting you configure your computer systems to maximize performance and capacity using any combination of applications, VMs, storage devices, and hardware.
- Rockstor is a free and open source NAS (Network Attached Storage) operating system. It’s a software solution and can be installed on commodity hardware or a hypervisor satisfying minimum system requirements.
- FuguHub lets you set up and operate your own secure file-sharing site, even if you're not a techie.
- The Amahi Home Server is designed for home and small office environments where the technical support staff do not want the job!
- Gigatribe allows you to share all your documents, movies, pictures, directly from your hard drive with your friends over the Internet.
- Windows Server 2019 is built on the strong foundation of Windows Server 2016 – which continues to see great momentum in customer adoption.
- Disk array backup with snapshot raid
- PetaSAN is an open source Scale-Out SAN solution offering massive scalability and performance. PetaSAN uses modern cloud based technologies to provide the elasticity and agility to scale up the storage cluster simply by adding more nodes.