@juergen_hubert This is the thread I ran across: https://forum.rpg.net/index.php?threads/so-whats-the-state-of-the-art-in-planet-generation-software.900569/
I'm looking at the underlying techniques being used for procedural generation with an eye to classroom curriculum, thus constrained by cheap, reasonable approximation for curriculum concepts, engaging, etc.
I did, however, just download https://calandiel.itch.io/gleba which is another implementation of Song of the Eons method to see how they did it.
I'm assuming your focus is now more on mapping the world, not generation?