GnuRadio

Software Defined Radio project http://www.gnu.org/software/gnuradio/

written in C++ and Python

http://en.wikipedia.org/wiki/GNU_Radio

• GNU Radio began as a fork of the Pspectra code that was developed by the Spectrum Ware project at MIT. The Pspectra SDR design utilized a modular pipeline structure and the programmability of the Python programming language for easy configuration and flexibility. In 2004 a complete "rewrite" of the GNU Radio was completed but much of the original Pspectra code and structure remains. Also of note is that the Pspectra codebase has been used as the foundation of the commercial Van U Software Radio. 2007-09-24-VanuSoftwareRadio

http://www.wired.com/science/discoveries/news/2006/06/70933

http://spectrum.ieee.org/oct06/4654

http://staff.washington.edu/jon/gnuradio.html

installing on MacOs X http://staff.washington.edu/jon/gr-osx/gr-osx.html