Shareware: You can try this program, but this version has some limited features or time usage restrictions. You should purchase it in order to remove those limits.
Dolphin Text Editor Menu 2.8
Pocket Text Editor 1.3
EControl Syntax Editor 2.10
1Fh is program for fast opening and binary editing files. It is capable of displaying file in machine code and in hex code. It is the only hex editor for Windows capable of displaying files in byte code (all 256) characters.