by UNGSoft Developers Group Visual Terrain Maker is a program for visual creation of the landscapes, convenient and easy in use. Works in XP/NT/2k. Saves in format DirectX (.X) and .glo. The program is not critical to the video adapters and drivers
by SYCODE TerrainCAD is a terrain generation, editing and modeling software. Powered by TerrainLib, TerrainCAD employs blazing fast and robust algorithms to create and modify terrain meshes in no time.