Atlas Tile Editor - Early Access Tutorial #1 Released

Atlas Tile Editor (ATE)

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 never before offered, pair customized tilesets with heightmap and normalmap data using a simple cyborg algorithmic and artistic way of building height...

https://www.youtube.com/watch?v=vlbSDT_tVKE See it on YouTube in all of its glory.