Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Shadertoy - Build shaders, share them, and learn from the best community.
Autodesk 3DS Max - 3ds Max is software for 3D modeling, animation, rendering, and visualization. Create stunning game enrivonments, design visualizations, and virtual reality experiences.
SHADERed - Lightweight, full-featured desktop tool for creating and testing HLSL and GLSL shaders
ZBrush - ZBrush is a digital sculpting and painting software solution.
Shader Editor - Android app to create GLSL shaders and use them as live wallpaper