OS X Mountain Lion shortcut menu
You could have a look at one of


Alfred 


  Alfred saves you time when you search for files online or on your Mac. Be more productive with hotkeys, keywords and file actions at your fingertips.

Keyboard Maestro


  Keyboard Maestro 5 is now available with control flow, variables, calculations, file actions, image manipulation, macro library and more. 
  
  Keyboard Maestro is a powerful macro program for Mac OS X Mountain Lion, Lion and Snow Leopard which has received glowing reviews. 



Especially Alfred works like a command line for O X and gives you the option to control most of your system interaction with simple text commands. If you prefer menus and mouse clicks, Keyboard Maestro might be the better choice.