Gqrx
From Ettus Knowledge Base
- Free open-source SDR receiver built on GNU Radio and Qt
- AM, SSB, FM-N and FM-W (mono and stereo) demodulators
- Real-time FFT plot and waterfall
- Record and playback audio to/from WAV file
- Basic remote control through TCP socket connection
- Created by Alexandru Csete in Denmark
Site: http://gqrx.dk/
Github: https://github.com/csete/gqrx