NetDrive is a DOS device driver that allows you to access a remote disk image hosted by another machine as though it was a local device with an assigned drive letter. The remote disk image can be a floppy disk image or a hard drive image.
A single device driver works with all versions of DOS starting with DOS 2.0.

SvarDOS is an open-source project that is meant to integrate the best out of the currently available DOS tools, drivers and games.