Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Unity - The multiplatform game creation tools for everyone.
Autodesk 3DS Max - 3ds Max is software for 3D modeling, animation, rendering, and visualization. Create stunning game enrivonments, design visualizations, and virtual reality experiences.
LOVE 2D - Hi there! LÖVE is an *awesome* framework you can use to make 2D games in Lua.
ZBrush - ZBrush is a digital sculpting and painting software solution.
Pygame - Pygame is a set of Python modules designed for writing games.