TouchInjector is a Windows 8/10 desktop application that generates Windows Touch events from incoming TUIO messages. You may speak of it as a virtual 'multi-touch driver', though it is technically not a driver. You can download the latest binary release v1.3 here.
update from the original code repository on CodePlex
https://touchinjector.codeplex.com/
TouchProxy, an alternative TUIO touch injector for Windows
TuioPad, a TUIO remote tracker for iOS TuioDroid, a TUIO remote tracker for Android