What are some alternatives?
When comparing SharpKeys and Stick Shift, you can also consider the following products
Karabiner - Karabiner, previously called KeyRemap4MacBook, is a very powerful keyboard remapper for Mac OS X.
Key Manager - ATNSOFT Key Manager, Key Remapper, Text Paster
Key Remapper - Intended for remapping keys, mouse buttons and mouse wheel actions, Key Remapper allows you to:
KbdEdit - Keyboard layout editor, mapper/remapper.
X-Mouse Button Control - XMouse Button Control (XMBC) allows you to create application and window specific profiles.
DoubleCommand - DoubleCommand is software for Mac OS X (a kernel extension) that lets you remap keys, in other...