Magic Tile Terrain is a Terrain editor, that lets you create terrain meshes that can be edited on a per tile basis. Each Face/Quad can be textured individually.
Features:
-Per tile Terrain editing.
-Rotate each individual Triangle and UV/Texture.
-Apply Heightmaps to your terrain.
-Automatic Texturing based on terrain height.
-Automatic Detail placement based on terrain color.
-GPU Instancing for Detail Objects like grass etc.
-Texture atlas generation.
-Smooth and Flat shading for the terrain mesh.
-Vertex Painting
-Any Material/Shader you want (as long as it has a Main Texture).