Ouroborus is an artificial life framework for mobile agents on a background of cellular automata. It can be used to teach and research topics such as population genetics, ecology and evolution. The demo includes a curses view and live Csound audio.
pappy = PortAudio Pushed to PYthon. It's a Pyrex wrapper around the PortAudio library. No attempt has been made to make it more Pythonic; it's simply the C functions turned into Python as closely as I could.