A complete software solution for windows usb devices
...All WinUSB power/pipe polices are fully supported by the libusbK driver. In Addition, libusbK has full support for isochronous endpoints and an extensive set of additional modules to simplify development.
Sourcecode repository using github:
https://github.com/mcuee/libusbk
Yana - Yet Another Network Analyzer. TCP, UDP, IP, ICMP, ARP, SNMP, EGP; FPT, SNTP, HTTP analysis tool with sourcecode (Delphi in release 0.1.0, Freepascal in releases 0.2.x). Includes RFC1213 units libraries source.