TerreSculptor

TerreSculptor is a terrain creation and edeting software used in game development and other 3D related use-cases. TerreSculptor is developed by Demenzun Media and is released as an "Open Use" software, as development is funded through patreon contributions. With TerreSculptor you can create and edit heightmaps, weightmaps, masks, splatmaps and normalmaps.