Coherent GT - Fast user interface runtime for PC and Consoles
Wwise - Game audio engine, designed to give artists more control and save programmers' time.
Sciter - Embeddable HTML/CSS/script engine
Unity - The multiplatform game creation tools for everyone.
Ultralight - Fast, light HTML UI solution for C++ apps
OpenAL - OpenAL is a cross-platform 3D audio API appropriate for use with gaming applications and many other...