SDR++
SDR++ is a cross-platform and open source software-defined radio application with the aim of being bloat free and simple to use. It is comparable to the Windows program SDR# (SDRSharp).
Installation
SDR++ is available in the AUR from sdrpp-gitAUR. This will build the default modules in this list along with BladeRF, LimeSDR, SDRplay, PortAudio and M17 decoding support.