Tilt Brush - Paint in spaces around you with Virtual Reality
Oculus Medium - Sculpt, model and paint in virtual reality on a 3D canvas.
MasterpieceVR - Powerful VR sculpting & painting tool
Quill by Story Studio - Paint in virtual reality on an infinitely scalable canvas
A-Painter - Paint in VR in your Browser
Blocks - Empowering designers to build great websites without writing a line of code. For web and OS X.