MagicaVoxel is a free, lightweight 3D modeling software designed for creating voxel art. Its main features include the ability to create and edit voxel models in real-time, with support for colors, materials, and lighting effects. The software also includes a rendering engine for creating high-quality images and animations, as well as the ability to export models in various file formats, including OBJ and STL. Additionally, MagicaVoxel includes a range of tools for sculpting, painting, and manipulating voxel models.