FaceRig - FaceRig is a program that aims to enable anyone with a webcam to digitally embody awesome...
Unity - The multiplatform game creation tools for everyone.
MocapX - Facial Motion capture app Maya and iPhone. With the MocapX animator, you can easily use the iPhone camera to animate characters in real time directly in Maya. MocapX tools enable you to use any custom or production rig as well as any Maya feature.
Godot Engine - Feature-packed 2D and 3D open source game engine.
Papagayo - This app is used to make lip sync thing so that your voice isn't left un-synced.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.