Atlas Tile Editor (ATE)
Released on November 8, 2017 by Lost Astronaut Studios
Developed by Lost Astronaut
2D TILE CREATOR! Create reusable sprite atlases and tile sets that reuse the same texture atlas in creative ways. Create advanced geometric tilesets for OpenGL (and DirectX) games in a way not currently available, Pair customized tilesets with heightmap and normalmap data using a simple cyborg algorithmic and artistic way of building height maps as you customize tiles, using a provided height atlas, Use the native ATE format, or a JSON exporter for tile overlay geometry features, Export "baked" tiles (available, but not recommended) as PNG, for legacy engines or engines that cannot use Atlas Tiles(tm).