Our website provided a free download of TypewriterFX 1.0 for Mac. The application belongs to Audio & Video Tools. This free Mac application was originally produced by Valley Programming.
From the developer:
TypewriterFX is an open source application for Mac OS X systems that plays typewriter sound effects as you type. Once TypewriterFX is running, you can switch to your favorite word processor (Pages, Word, Scrivener, etc.), and hear typewriter sound effects as you type.
You may want to check out more Mac applications, such as MFilter, Aiseesoft WMV Converter for Mac or BurnToDisc for iPhoto Uninstaller, which might be similar to TypewriterFX.