Mods for Minecraft Java
Browse 258 free mods for Minecraft Java — popular picks include Structure Gel API, CoFH World, TerraBlender.
Updated daily
Structure Gel API
An API for simplifying the developer end of creating generated structures.
CoFH World
Customizable and powerful world generation!

TerraBlender
A library mod for adding biomes in a simple and compatible manner!
YUNG's API
Library mod for YUNG's mods.
LibraryEx
A library for mods that add expansions, explorations, and experiences to Minecraft.
Lithostitched
Library mod with new configurability and compatibility enhancements for worldgen
Cristel Lib
A Library mod for easy structure config and runtime datapacks.
End Remastered [Fabric]
Make your journey to the End more Challenging and Engaging with End Remastered!
Default World Generator (port)
Change the Default World Generator for both clients and servers!
Oh The Trees You'll Grow
Tree library used by popular mods such as Oh The Biomes You'll Go.
Formations (Structure Library)
Formations adds utilities for structure datapacks!
Duplicationless
A lightweight Minecraft library that simplifies JSON configs, block data storage, and entity tracking across chunks and dimensions.
Structures Tweaker
StructuresTweaker gives you complete control over how players interact with structures in your world.
DungeonZ
Base mod to add new dungeons with one default dungeon
World Weaver
A Fabric utility mod that aims to streamline common modding tasks, particularly those related to world creation. As a successor to BCLib, WoVer is intended to eventually take its place.
Default World Generator
Change the default world generator selected for Single Player Minecraft
Datapack Portals
Create custom portals using CustomPortalApi with datapacks
Default World Generator without Server Side Prompts
Precisely what you think it is
Multiverse-Core
The Bukkit World Management Plugin.
Atlantis API
Collection of utilities for Forge mods and plugins
Re-Dimension Stages
An unofficial version of mod Dimension Stages for higher MC version.
WorldWeaver: New Dawn
An unofficially maintained continuation of the BetterX Team's utility library for Fabric and NeoForge, designed to streamline common modding tasks, especially those related to world generation
LookingGlass
A utility mod to allow other mods to create renders of other dimensions
Sky Aesthetics
Change the minecraft skybox as you wish!
Nether API
A library mod for adding End and Nether biomes or structures, and for creating new biome ambience!
LagFixer
⚡️ Best Performance Solution! 🗄️Trusted by 3000+ servers! ✅ Lightweight and highly Asynchronous!
RFTools Dimension Tweaker
Provides end-game and overflow-free variants of dimension machines.
Dimension Leak Fix
Fixes memory leaks when switching dimensions. Mods like Collective, AmbientSounds and Create retain old worlds in RAM - this mod cleans them up automatically, recovering 2-4 GB per transition.
Hyle
A worldgen feature API for underground changing mods
Infiniverse
API for creating dynamic dimensions
More Density Functions
Utility mod to add more density functions for world generation datapacks.
Muya1.7.10
The RPG element for new dimension mod. (it's not finished yet)
Simple Lucky Block
Adds a Lucky Block to Minecraft with random lucky or unlucky drops.
Ars Monde Lib
Content library for Ars Monde
Multiworld
Create & Manage Worlds / Dimensions.
Advanced Creative Tab (Forge)
(Client side) Creative mode item modifier, Survival mode information, shulker explorer and more!