Back in June HTC announced that it would be creating a new Android SDK for developers to make custom applications which make use of HTC’s Sense user interface, HTC Sense 3.0.
HTC has now released the OpenSense SDK, which is designed to help
developers create custom applications that will work with HTC’s
customized version of Android that comes with HTC Sense on their
Developers now have access to a number of different tools which will
allow them to create applications using the OpenSense platform, you can
find out more information over at HTC.