Tobii EyeX .NET SDK offers developers eye tracking features. Working in tandem with the Tobii hardware, the SDK allows developers to create natural human-computer interactions using a combination of eye-gaze and other user inputs. The EyeX SDK provides access to the EyeX Engine API so that an application can be gaze-enabled.
Maluuba is a company that has created a patent-pending, voice recognition and language engine. According to Crunchbase, Samsung Ventures funded $2 million to Maluuba in February 2012, and the Maluuba language engine "is a product of two years of advanced research in artificial intelligence, machine learning and linguistics." Yesterday, Maluuba announced the introduction of a preview alpha release of what the company describes as the "first of its kind" natural language understanding API (nAPI).