You could have downloaded TypeFitter 1.0 for Mac from our application library for free. TypeFitter for Mac lies within System Tools, more precisely Fonts.
From the developer:
Fitting text has never been so quick, simple and effective with the introduction of TypeFitter for Adobe InDesign. Utilizing InDesign's sophisticated justification algorithms, TypeFitter offers a streamlined approach to producing great looking typography. Time Saving: Using a simple palette, text can be effortlessly tightened, loosened and restored, creating smooth, even text.