piDog Software has release FontThing for OS X. FontThing is a utility designed for font viewing and management. The app ships with support for PDF font catalogs. According to piDog Software:
piDog Software has released FontThing for Mac OSX.
FontThing is a small utility that allows users to preview, install and activate fonts from any location. Users preview fonts by double-clicking a font in the finder or by dragging files/folders to the FontThing icon. Catalogs of fonts can be printed or saved to a PDF file through Appleis print dialog.
Fonts can be activated with a single click for use in any application even while the font file resides outside the useris fonts folder.
You can find more information about the FontThing release at the piDog Software Web site. FontThing is available shareware for US$10.00.