Compare the Top Network Attached Storage (NAS) Software in the USA as of October 2026

What is Network Attached Storage (NAS) Software in the USA?

Network-attached storage (NAS) software, also known as network-attached storage operating systems or NAS server software, is the software that runs on a network-attached storage device or NAS server. Compare and read user reviews of the best Network Attached Storage (NAS) software in the USA currently available using the table below. This list is updated regularly.

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    TrueNAS

    TrueNAS

    iXsystems

    TrueNAS is the world's most deployed storage software. TrueNAS is a universal data platform that allows users to easily adopt a modern, open source approach to storing and protecting their growing data. TrueNAS is open source and harnesses the power of the legendary ZFS file system to provide unified storage (File, Block Object, and Apps) with the reliability and performance demanded by virtualization, backup, and many other data-heavy workloads. The TrueNAS CORE edition (formerly FreeNAS) is based on FreeBSD for unified scale-up storage. The TrueNAS SCALE edition is based on Debian Linux for either scale-up or scale-out solutions, and offers Linux Containers, VMs (KVM), and scale-out ZFS storage capabilities. Both are known to work well on standard hardware. Join the millions already using TrueNAS, including the majority of Fortune 500 companies, and experience why TrueNAS is very highly rated for yourself.
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    Starting Price: Free
  • 2
    Morro Data CloudNAS
    Morro Data CloudNAS Global File Services enable companies with two or more offices to share their files in real-time and no VPN or sync software required. Cloud NAS combines the local network performance of a NAS with the reliability, scalability, and accessibility of the cloud for a cloud-first solution. It allows businesses to quickly and efficiently have unlimited file storage, collaborate with multiple office file sync & lock, and get instant disaster recovery. Morro Data CloudNAS enables remote users to work on the same project as if on the same local network. The remote users can collaborate on the projects across multiple global sites with file syncing and locking in the background. Cloud NAS supports file locking for AutoCAD, Civil3D, Bluebeam, Microstation, Adobe, and Microsoft Office. The project files are safely stored in the cloud and cached to the local CacheDrive gateway for performance.
    Starting Price: $129.00/month
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    MayaNAS

    MayaNAS

    ZettaLane Systems

    MayaNAS Cloud is a full featured enterprise-grade software defined storage solution that provides high-performance, high-throughput file storage on standard object storage (S3) without any additional resources. It is fully software-defined with support for file storage over NFS, SMB-AD and robust block services through NVMeoF, iSCSI and FC interconnect. Features: 2-node High-Availability, compression, thin-provisioning, unlimited policy driven snapshots and continuous replication. MayaNAS is readily available as marketplace solution on major public clouds AWS, GCP and Azure. It is also available as ISO image for bare metal installation on-prem.
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    Openfiler

    Openfiler

    Openfiler

    Openfiler converts an industry standard x86_64 architecture system into a full-fledged NAS/SAN appliance or IP storage gateway and provides storage administrators with a powerful tool to cope with burgeoning storage needs. Openfiler ensures that storage administrators are able to make the best use of system performance and storage capacity resources when allocating and managing storage in a multi-platform network. Openfiler provides key features such as iSCSI target for virtualization, Fibre Channel target support, block level replication and High Availabilty that are the mainstay of any business critical storage environment. Openfiler is the first commercially viable Open Source NAS/SAN solution and it comes with a wealth of features and capabilities that address specific storage management pain points. First, it can be installed on industry standard server hardware, negating the need for expensive proprietary storage systems.
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