Si570
CFGSR v.2.3.460
The ConFiG SoftRock tool (CFGSR.exe) can be used to configure the SoftRock USB Si570 firmware. This firmware is the official supplied firmware in the SoftRock kits of Tony Parks that are using a Si570 chip from Silicon Laboratories (SiLabs).
HDSDR v.2.1.0.136
HDSDR is a freeware Software Defined Radio (SDR) program for Microsoft Windows 2000/XP/Vista/7. Typical applications are Radio listening, Ham Radio, SWL, Radio Astronomy, NDB-hunting and Spectrum analysis.