Gqrx is a software defined radio receiver powered by GNU Radio and the Qt GUI toolkit. It can process I/Q data from many types of input devices, including Funcube Dongle Pro/Pro+, rtl-sdr, HackRF, and Universal Software Radio Peripheral (USRP) devices.
Qthid is a simple controller application for the Funcube Dongle Pro and Pro+ software defined radio receivers. It is written using the Qt SDK and is available for Linux, Windows and Mac OS X.