Py5mon is a script that decodes Ccir (Selcall, 5-tone). Currently limited to WAV file input support.
Py5mon 0.10 This version implements input from Line-in/microphone, plus some useful "features"/Logic changes: #820916 (microphone/Line input). Support for decoding between 2 and 32 ranks without pausing has been added.
Download Address: http://launchpad.net/py5mon/trunk/0.10/+download/py5mon-0.10.tar.bz2