VMware vSAN - VMware vSAN is radically simple, enterprise-class software-defined storage powering VMware hyper-converged infrastructure.
WinDirStat - WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.
HPE SimpliVity - Simplify your IT with HPE Simplivity hyper converged infrastructure, your all-in one management solution for hybrid cloud and VM efficiency, scalability.
WizTree - WizTree quickly finds the files and folders using the most space on your hard drive. It scans the MFT (Master File Table) instead of crawling the entire disk which makes it very fast.
Red Hat Ceph Storage - Red Hat® Ceph Storage is open, software-defined storage designed for object storage and cloud infrastructures. Learn more.
SpaceSniffer - SpaceSniffer is a freeWare (donations are welcome) and portable tool application that lets you understand how folders and files are structured on your disks.