Pixel Pix - Turn your photos into pixel art
MagicaVoxel - A free lightweight GPU-based voxel art editor and interactive path tracing renderer.
Voxel Builder - Design and edit 3D voxel models in your browser.
Goxel - Goxel is a simple, but powerful voxel graphic editor with 24-bit color support, unlimited scene...
Pixilart - A drawing app for delightfully retro pixel art
Cubik Studio - Model in a unique cubic style. Start modelization with boxes. Move, rotate and scale cuboids.