The document discusses the Kinect for Windows SDK and OpenNI/NITE frameworks. It describes Kinect's hardware components including infrared emitters, color and depth sensors. It outlines features of the Kinect for Windows SDK like gesture and speech recognition APIs. Additionally, it mentions OpenNI/NITE is open-source and supports Kinect on Windows and Linux with APIs for C/C++, Java, and .NET. KinectJS is also discussed as an HTML5 JavaScript library that allows Kinect control via a WebSocket server and Kinect for Windows SDK.