Nem's Mega 3D Terrain Generator – Free and tiny, powerful 3D terrain generator

Nem's Mega 3D Terrain Generator is a free, simple yet powerful 3D terrain generator for Windows, developed by Ryan Gregg in 2005, using C# and C++.NET. It comes with intuitive 3D drawing tools, texture customization, multiple export options, and other settings, and allows you to create stunning, realistic 3D terrains quickly and easily.