XD is yet another program to display a binary file as a series of hexadecimal bytes and characters. What makes XD special, though, is its ability to display a file as a set of structured records (example). It can also convert a text file to its binary equivalent.
(View the PAD file.
XD 1.00 (117k, 16- & 32-bit DOS and Win32 console binaries, C source).
7 October, 2003.