Compare the Top Free Software-Defined Storage (SDS) as of April 2025

What is Free Software-Defined Storage (SDS)?

Software-defined storage (SDS) is a data storage solution architecture whereby the hardware that handles the data storage is independent of the software layer of the storage system. Compare and read user reviews of the best Free Software-Defined Storage (SDS) currently available using the table below. This list is updated regularly.

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    QuantaStor

    QuantaStor

    OSNEXUS

    QuantaStor is a unified Software-Defined Storage platform designed to scale up and out to make storage management easy while reducing overall enterprise storage costs. With support for all major file, block, and object protocols including iSCSI/FC, NFS/SMB, and S3, QuantaStor storage grids may be configured to address the needs of complex workflows which span sites and datacenters. QuantaStor’s storage grid technology is a built-in federated management system which enables QuantaStor servers to be combined together to simplify management and automation via CLI and REST APIs. The layered architecture of QuantaStor provides solution engineers with unprecedented flexibility and application design options that maximizes workload performance and fault-tolerance for a wide range of storage workloads. QuantaStor includes end-to-end security coverage enabling multi-layer data protection “on the wire” and “at rest” for enterprise and cloud storage deployments.
    Starting Price: $/TB based on scale
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  • 2
    croit

    croit

    croit

    The data storage industry has to change immediately to avoid the collision between 15-30% annual data growth and flat budgets. Organizations need a TENTH of the cost. 10X more performance. Without hiring expensive geniuses to manage storage. croit is the fastest growing storage software company in Europe where we contribute to the lowest cost and highest performance storage technologies in the world, recognized in the Deloitte Technology Fast 50 and Top 100 Innovator Awards in Germany. We help organizations to solve these challenges with automated Linux, Ceph and/or DAOS installations and upgrades in minutes, with the lowest TCO, helping you manage 40 Petabytes per administrator. Our open source code-writing experts provide training and consulting and management of the world's lowest cost and fastest storage technologies. We're the change the world needs in storage.
    Starting Price: Under $500/mo per cluster
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    MooseFS

    MooseFS

    Saglabs SA

    MooseFS is a breakthrough concept in the Big Data storage industry. It allows us to combine data storage and data processing in a single unit using commodity hardware thereby providing an extremely high ROI. Through this innovative approach, we provide professional services and expert advisory for storage solutions as well as implementation and support for all your operations. MooseFS, which was introduced in 2008 as a spin-off of Gemius (a leading European company which measures internet in over 20 countries), went on to become one of the most sought after Data storage software for companies worldwide. It is still being used to store huge amounts of data for Gemius core operations, where over 300 000 events are gathered and processed per second, for 24 hours and 7 days a week. Therefore, any solution we present to our customers has been tested in real-life work environment involving Big Data Analytics.
    Starting Price: $/TiB based on scale
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    Scality

    Scality

    Scality

    Scality provides file and object storage for enterprise data management deployments of all sizes. We adapt to your environment. Traditional on-prem storage? No problem. Storage for modern cloud-native applications? We’ve got you covered. Whether it’s critical healthcare or financial data, government intelligence, digitized national treasures, streaming video content or any other valued asset — Scality has a proven track record of ensuring eleven 9s data durability and long-term protection.
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