XyphroLabs's UsbGpib is an open-source hardware, inexpensive, and portable USB to GPIB adapter aiming to provide "access to ...
An open source USB to GPIB adapter will soon reach version 3, bringing an integrated Ethernet port with PoE support.
Keithley Instruments TSP® Communications Command-line Application (Used in tsp-toolkit) - tektronix/tsp-toolkit-kic-cli ...