Windrider was decommissioned on 01/17/2013. However, the source code is still available at the link provided below.
WindRider attempted to detect whether your mobile provider was performing application- or service-specific differentiation, such as prioritizing or slowing traffic to certain websites, applications, or content.
Please cite this data set as follows: The M-Lab Windrider Data Set, <date range used>. https://measurementlab.net/tests/windrider
Source code is available athttp://code.google.com/p/windrider/.