Apps similar to Greyhole include Unraid. It's paid, but OpenZFS and btrfs are free. Other options are Whatoblock, StableBit DrivePool, EON ZFS Storage and mergerfs. In total there are nine File Managers like Greyhole for Linux, Windows and the web.
Flexible operating system combining storage management with support for mixed drive sizes, Docker containers, virtual machines, hardware and GPU passthrough, browser-based interface, file protocols, scalable expansion, integrated parity, and monitoring features.
United States
OpenZFS is an advanced file system and volume manager which was originally developed for Solaris and is now maintained by the OpenZFS community.
Whatoblock is a real-time cybersecurity threat intelligence platform with global botnet tracking, scanner detection, interactive threat search, and a live threat map.
United Kingdom
Btrfs is a modern copy on write (CoW) filesystem for Linux aimed at implementing advanced features while also focusing on fault tolerance, repair and easy administration.
State of the art, file based drive pooling software.
United States
What is EON? Embedded Operating system/Networking is a small operating system, built on Solaris, designed to store any amount of digital data on Intel/AMD (x86) hardware, using the amazing, enterprise class Zettabyte File System.
Why use EON? Because it offers rock solid, reliab.
mergerfs is a union filesystem geared towards simplifing storage and management of files across numerous commodity storage devices. It is similar to mhddfs, unionfs, and aufs.
Drive Bender for Windows is state of the art, single point storage pool technology for all versions of Microsoft Windows (read more).
Australia
