Genesis Core by GameGunner5
A core-style mod designed to simplify modding. Primarily designed so GameGunner5 can easily update all his mods at once.
GeoStrata by Reika
GeoStrata is a small mod to diversify underground world generation, making mining and caves more interesting, while simultaneously adding many aesthetic and functional building materials.
User config-based controls for geographical features, including land sizes, ocean amounts, climate sizes and incidences, biome sizes and incidences, and mountain chains