Bo Branten Projects  
   Open Source WindowsNT and Linux file system software. Ntifs.h, Ext2fs_Rec NT Ext2 file system recognizer, SwapFs NT driver to use Linux swap partition, FileDisk is a virtual disk driver for NT that uses files to emulate physical disks.
   http://www.acc.umu.se/~bosse/

Mtools  
   A collection of utilities to access MS-DOS disks from Unix without mounting them. Supports Win'95 style long file names, OS/2 Xdf disks and 2m disks. With source code.
   http://mtools.linux.lu/index.html

1581-Copy  
   Program to transfer C64 disk images between Commodore and PC, with source code.
   http://advm2.gm.fh-koeln.de/~womo/sourcen/sources.html

DataPlow SAN File System Software  
   The DataPlow storage area network (SAN) file system software support multiple platforms and network configurations.
   http://www.dataplow.com/

HFS Utilities  
   Hierarchical File System is the native volume format used on modern Macintosh computers. Hfsutils is a comprehensive software package being developed to permit manipulation of HFS volumes from UNIX and other systems.
   http://www.mars.org/home/rob/proj/hfs/

Stealth Storage  
   Powerful feature-rich file storage system. Strong encryption can be used to protect personal data.
   http://www.stealth-storage.com

DiskInternals NTFS Reader  
   Provides read access to NTFS disks from Windows 95, 98 and Me.
   http://diskinternals.com/products/ntfs-reader/

Ext2Read  
   Ext2Read is a DOS utility to view and copy Ext2/Ext3 files and folders. [DOS, Windows 95/98/Me]
   http://ext2read.sourceforge.net