After awhile, Mac OS X’s alert sounds can be downright grating, as can many of the sounds you hear in Mail, iCal, and iChat. Happily, creating a custom alert sound and adding it to your system isn’t ...

Apple’s iOS devices come preloaded with a handful of alert sounds that you can use for ringtones and, as of iOS 5, for text messages, voicemails, reminders, and more. But maybe you want something more ...