ShapeShop - ShapeShop is an advanced and professional 3D design and modeling application that comes with an easy-to-use and user-friendly interface.

MagicaVoxel - A free lightweight GPU-based voxel art editor and interactive path tracing renderer.

Sculptris - Sculptris: Enter a world of digital art without barriers.

SpriteStack - 3D pixelart editor based on sprite stacking technique.

Blender - Blender is the open source, cross platform suite of tools for 3D creation.

Cubik Studio - Model in a unique cubic style. Start modelization with boxes. Move, rotate and scale cuboids.