ATSP32

The ATSP32 sample is part of the Microsoft Platform SDK. More information can be found on the PSDKSamples page.

TSP++ 2.0

This is a free C++ library for creating TSPs provided by Julmar

http://www.julmar.com/tapi/

TSP++ 3.053

This is a another free C++ library for creating (primarily 3rd party) TSPs provided by Julmar

http://www.julmar.com/tapi/