Free disk reader for Windows recognizes FAT, NTFS, ReFS, HFS+, APFS, EXT, UFS.
Gollem is a Web-based file manager that provides the ability to fully manage a hierarchical file system.
fio is an I/O tool meant to be used both for benchmark and stress/hardware verification.
The File Link Copy On Write library
Filesystem events monitoring under Linux
Mount a WebDAV resource as a regular file system
A filesystem handler for UNC filepaths
MoritzFS Command Line