FFTeaseBuilds is a nice collection of FFT-based audio effects from Eric Lyon and Christopher Penrose. I created a 'libdir' release of FFTeaseBuilds 2.5.2 for easy installation:

• FFTease_2.5.2_libdir.zip - for GNU/Linux, Windows, and all Intel-based Macs (Mac Pro, MacBooks?, etc).

• FFTease_2.5.2_libdir-MacOSX_PowerPC.zip - for PowerMacs?, PowerBooks?, and all PowerPC-based Mac OS X computers

Installation

To install, first download then unzip/uncompress the right file from above. Then drop the resulting 'fftease' folder into the externals folder for your system:

http://puredata.info/docs/faq/how-do-i-install-externals-and-help-files