CuteSDR
RFSPACE now supplies an open-source application written using the QT Framework for the RFSPACE radios. The application is compatible with the SDR-IP and NetSDR and also SDR-IQ and SDR-14 using the Windows server and MacOS Snow Leopard applications. CuteSDR is available for MacOS, Windows and Linux. It is released under a Simplified BSD License. CuteSDR is Copyright (c) 2010 Moe Wheatley, AE4JY
We encourage programmers to share any additions to improve the software.
http://www.rfspace.com/RFSPACE/CuteSDR.html
Additionally, AA7AS has taken the code and played around a bit and has a precompiled binary.
“Briefly, as of 1.03, I’ve added eight notch filters, a low-pass filter, numerous keyboard controls, 25 user-settable memories, another 25 preset memories (the shortwave and amateur bands), DX and fine-tuning steps, user control of the waterfall palette, and more.”