The Intel RealSense SDK allows developers to create more immersive applications for gaming using Intel's RealSense camera technology. The SDK offers developers several immersive gaming features with the aim of variety and customization. Features include: integrated hand/finger tracking, facial analysis, augmented reality, background segmentation, 3D scanning and reconstruction, and speech recognition and synthesis.
Affectiva's emotional measurement API has been around for a couple of years now. Affectiva has seen adoption by marketers, publishers, gaming companies, and chat services. However, Affectiva believes it can greatly expand the use case scenarios by offering its service at no charge to startups.
If space-squads, emperors, dungeon-masters, planets, starships and space wars are your thing, you've probably heard of VGA Planets. It's a popular play by email, space strategy game created in 1991, and Planets Nu is the online browser based version launched in 2011. Planets Nu now provides the Planets Nu API, which is good news for developers who want to programmatically access the game's functionality.