What are some alternatives?
When comparing Key Remapper and keyboardlayouteditor, you can also consider the following products
SharpKeys - SharpKeys is a utility that manages a Registry key that allows Windows to remap one key to any...
HERO Keyboard - The world's most efficient keyboard.
Karabiner - Karabiner, previously called KeyRemap4MacBook, is a very powerful keyboard remapper for Mac OS X.
Typing Speed Test - A simple typing test to see how fast you can type
Microsoft keyboard layout creator - Edit the windows keyboard layout.
Ukelele - Ukelele is a Unicode Keyboard Layout Editor for Mac OS X.