Unity - The multiplatform game creation tools for everyone.
OpenAL - OpenAL is a cross-platform 3D audio API appropriate for use with gaming applications and many other...
Unreal Engine - Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.
Wwise - Game audio engine, designed to give artists more control and save programmers' time.
Corona SDK - Cross-platform mobile app development.
BuildBox - Buildbox is a new video game maker that is extremely easy to use.