List of the Top 4 Free Software-Defined Storage (SDS) in 2026

QuantaStor is an integrated Software Defined Storage solution that can easily adjust its scale to facilitate streamlined storage oversight while minimizing expenses associated with storage. The QuantaStor storage grids can be tailored to accommodate intricate workflows that extend across data centers and various locations. Featuring a built-in Federated Management System, QuantaStor enables the integration of its servers and clients, simplifying management and automation through command-line interfaces and REST APIs. The architecture of QuantaStor is structured in layers, granting solution engineers exceptional adaptability, which empowers them to craft applications that enhance performance and resilience for diverse storage tasks. Additionally, QuantaStor ensures comprehensive security measures, providing multi-layer protection for data across both cloud environments and enterprise storage implementations, ultimately fostering trust and reliability in data management. This robust approach to security is critical in today's data-driven landscape, where safeguarding information against potential threats is paramount.

croit is a software company dedicated to operating and supporting enterprise storage platforms, with a strong focus on Ceph and Proxmox environments. We provide 24/7 support for mission-critical clusters, giving organizations continuous access to experienced storage engineers with deep operational and upstream knowledge. Our support services help customers maintain stable production systems, respond quickly to incidents, and safely manage upgrades, scaling, and performance tuning. Alongside our support offering, croit develops a specialized software solution for Ceph operations. The croit platform continuously evaluates cluster health, performance, and configuration data, turning complex technical signals into clear and actionable recommendations. By identifying risks early and guiding remediation, the software reduces operational complexity and helps teams prevent outages before they impact production. By combining always-on expert support with intelligent Ceph software, croit enables organizations to operate software-defined storage with confidence. Customers gain better visibility, faster troubleshooting, and lower operational overhead while running reliable, scalable Ceph and Proxmox infrastructures in demanding production environments.

MooseFS introduces an innovative approach to the Big Data Storage sector by merging data storage with processing capabilities on standard hardware, leading to a remarkable return on investment. Our company specializes in providing expert consultation and professional services tailored to storage solutions, along with implementation and ongoing support for your operational needs. Established in 2008 as a spinoff from Gemius, a prominent European firm that conducts internet measurements across more than 20 nations, MooseFS has evolved into one of the most desirable data storage software options worldwide. It remains integral to Gemius' primary operations, managing an impressive volume of over 300,000 events analyzed each second, continuously around the clock. Each solution we propose to our clients is rigorously tested within a genuine Big Data Analytics environment, ensuring reliability and effectiveness. This commitment to quality and performance sets us apart in the ever-evolving landscape of data storage technology.

Scality provides customized file and object storage solutions designed for effective enterprise data management at any scale. Our offerings easily blend with your current infrastructure, accommodating both traditional on-premises systems and cutting-edge cloud-native applications. Whether dealing with critical healthcare and financial records, classified government information, treasured national artifacts, or streaming video, Scality has proven its ability to protect essential assets, boasting an outstanding eleven 9s of data durability for enduring security. With our unwavering dedication to reliability, you can have confidence that your data is well-managed and secure. Additionally, our solutions are designed to evolve alongside your business needs, ensuring that you remain equipped for future challenges.