worldgen

A quick way to get rid of a biome. Useful for tweaking datapack-based generators (like Terralith) that don't have a convenient configuration

World generation overhaul inspired by epic fantasy, designed for exploration

Procedurally generated rock formations, clearings, ponds, and more.

Overworld biome and terrain fantasy-style worldgen mod.

Overhauling the Overworld with new terrain, biomes, caves, and more.

Removes micro-biomes from your world.

Adding the object permanence that Mojang didn't have to Vanilla biome design

A world-gen river and valley mod

Finite, Tiled, Seamless World Wrapping.

A data-driven image based world generator for Minecraft.

Neoforge port bringing the classic style of Far Lands to 1.21.1

Make savannas actually flat — wide, buildable plains with natural edges. Rivers, trees and villages stay untouched; everything else is pure vanilla.