Scratch - Scratch is the programming language & online community where young people create stories, games, & animations.
Blender - Blender is the open source, cross platform suite of tools for 3D creation.
Blockly - Blockly is a library for building visual programming editors.
Autodesk 3DS Max - 3ds Max is software for 3D modeling, animation, rendering, and visualization. Create stunning game enrivonments, design visualizations, and virtual reality experiences.
EduBlocks - Making the Transition from Scratch to Python easier.
ZBrush - ZBrush is a digital sculpting and painting software solution.