HPSDR related software
HPSDR related software consists of many programs and levels of software.
Each board contains firmware for its particular chips, this is usualy written in Verilog.
The computer linked to the HPSDR hardware contains software to process the I and Q signals for the hardware....
Libraries and 'middleware'
DttSP - https://www.cgran.org/wiki/DttSP Dsp Library used in many packages.
http://dttsp.org/ looks stale
Dttsp wiki - http://dttsp.org/wiki/index.php?title=Main_Page looks stale
GNU Radio - http://www.gnu.org/software/gnuradio/index.html
A listing of programs that specifically support the HPSDR hardware:
PowerSDR running on Microsoft Windows XP.
Java-SDR - https://java-sdr.dev.java.net/ running on Linux, Mac OS and Windows.
CW Skimmer from VE3NEA has support for Mercury: http://www.dxatlas.com/CwSkimmer/