Goxel - Goxel is a simple, but powerful voxel graphic editor with 24-bit color support, unlimited scene...
MagicaVoxel - A free lightweight GPU-based voxel art editor and interactive path tracing renderer.
VoxelShop - VoxelShop is an extremely intuitive and powerful software for OSX, Windows and Linux to modify and...
Cubik Studio - Model in a unique cubic style. Start modelization with boxes. Move, rotate and scale cuboids.
Slab6 - Slab6 is a voxel editor that Edits, VOX, KV6, and KVX files.
3D-Coat - 3D-Coat is the one application that has all the tools you need to take your 3D idea from a block of digital clay all the way to a production ready, fully textured organic or hard surface model.