Ceph - Ceph is a distributed object store and file system designed to provide excellent performance...
DiskInternals Linux Reader - A freeware tool for extracting files from Ext2/Ext3/Ext4, hfs and ReiserFS partitions in Windows
Seaweed FS - SeaweedFS is a simple and highly scalable distributed file system to store and serve billions of files fast! SeaweedFS object store has O(1) disk seek and SeaweedFS Filer supports cross-cluster replication, POSIX, S3 API, ,…
HFSExplorer - HFSExplorer is an application that can read Mac-formatted hard disks and disk images. It can read the file systems HFS (Mac OS Standard), HFS+ (Mac OS Extended) and HFSX (Mac OS Extended with case sensitive file names).
GlusterFS - GlusterFS is a scale-out network-attached storage file system.
Ext2Read (Ext2Explore) - Ext2Read is an explorer like utility to explore ext2/ext3/ext4 files. It now supports Linux LVM2.