The 1.0 version of FunKeys X for Mac is provided as a free download on our website. The program relates to System Tools. This software for Mac OS X is an intellectual property of Rampell Software, LLC.
From the developer:
FunKeys X allows users to easily configure any key on their keyboard to do just about anything. You can assign keyboard-shortcuts to do anything---check your mail by pressing F1, open CNN.com by pressing F2, or type your signature by pressing Control-S.
You may want to check out more software for Mac, such as InsomniaT or IBM Performance Analysis Suite, which might be similar to FunKeys X.