Reptile

Reptile is a cross-platform voxel art authoring tool built and integrated with Unity to make creating voxel art for game environments quick and painless.

It provides many of the core features that other voxel art programs do and a few uncommon features, including:

Cube, sphere, and diamond brushes

Per-color metallic, emissive, and translucent properties

Three-axis symmetry

Isometric camera

Orthographic camera

Perspective camera

Layers and guides

MagicaVoxel import and export