The official module of the MapMagic 2 (free) world generator. Allows blending of the several graphs basing on a mask, this way allowing to mix different biomes on one endless terrain.
Also includes Function nodes, that allow to take out the complex generate process in a sub-graph. Think of them like of biomes that has input and output connectors.
Note that an existing installation of MapMagic 2 is required in order to use this module.