Aseprite - Aseprite is an art program dedicated to the creation of pixel art.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Pixel Art to CSS - Draw and animate pixel art, export the results to CSS
Autodesk 3DS Max - 3ds Max is software for 3D modeling, animation, rendering, and visualization. Create stunning game enrivonments, design visualizations, and virtual reality experiences.
Piskel - Piskel is a website where designers online create sprites or pixel art.
ZBrush - ZBrush is a digital sculpting and painting software solution.