Hexerator

Hexerator is a hex editor with a unique feature set.

Its main focus is to make looking at binary files fun and easier to comprehend, but it also aims to be a good general-purpose hex editor, suitable for a wide range of uses.

Here is what it looks like:

Click here to get Hexerator!

Tutorial

Click here for a tutorial that guides you through reverse engineering a save file for a video game.