TerreSculptor 2.0 is released.
This is a popular UE4 third-party tool.
This is the terrain heightmap and weightmap software that many people use with Unreal Engine.
It fully supports all Landscape sizes and World Composition sizes.
This software is “Open Use” free with no cost and can be used for Personal, Commercial, and Academic purposes.
Source: TerreSculptor – Demenzun Media