Mods for 1.21.4
246 mods match your filters.
Library mod with new configurability and compatibility enhancements for worldgen
A complete redesign of Minecraft's Nether fortresses!
A complete redesign of Minecraft's dungeons!
A complete redesign of Minecraft's ocean monuments!
A long-awaited and much-needed abandoned mineshaft overhaul!
A complete redesign of Minecraft's jungle temples!
An overhaul of the main End Island where the dragon fight takes place!
A complete redesign of Minecraft's strongholds!
Adds overhauled witch huts to swamps!
A complete redesign of Minecraft's desert temples!
Adds beautiful naturally generated bridges throughout the world!
Adds more variations of vanilla structures and features such as a Jungle Fortress!
Extra structures, features, and vanilla+ content suitable for any modpack!
Lots of Vanilla styled structrues to fill up the end dimension with life!
Enhances and creates new villages and pillager outposts, that perfectly fit into your Minecraft world.
Structure mod that brings an exciting twist to Minecraft by introducing hostile and unfriendly pillages, providing a thrilling contrast to the peaceful villages.
adds 130+ vanilla style structures to your world to bring it alive, using vanilla blocks. Includes dungeons and enemies to fight!
Speed up your world loading by removing unneeded chunks.
Vanilla Worldgen optimization mod
A simple and configurable mod that makes all (even datapacks and modded) structures more spread out (or more common!), essentially making them rarer/easier to find. Useful in big modpacks with a lot of structures mods to encourage exploration
Attempts to optimize the generation of Jigsaw Structures and NBT pieces
Tree library used by popular mods such as Oh The Biomes You'll Go.
Formations adds utilities for structure datapacks!
Formations Nether adds plenty of new structures to the nether!