MagicaVoxel - A free lightweight GPU-based voxel art editor and interactive path tracing renderer.
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.
Sculptris - Sculptris: Enter a world of digital art without barriers.
Marmoset Hexels 2 - an exciting grid-based 2D painting tool that enables you to effortlessly create brilliant works of...
ShapeShop - ShapeShop is an advanced and professional 3D design and modeling application that comes with an easy-to-use and user-friendly interface.