Mods for Minecraft Java
Browse 4,200 free mods for Minecraft Java — popular picks include Invasion Mod, The Lost City: Halloween Structures, Solar Industrialization.
Step by step: How to install Minecraft Java mods & modpacks
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Invasion Mod
Build a secure base, gear up, activate the Nexus and fight against steadily ramping up waves of mobs until you and your base can no longer withstand and the Nexus gets destroyed. And then repeat!
The Lost City: Halloween Structures
This mod is a Halloween addon for The Lost City that adds more buildings into the city.
Solar Industrialization
Solar Industrialization is a streamlined addon for Modern Industrialization that introduces tiered solar panels (LV to SV). It provides clean, passive energy generation fully integrated into the base mod's progression and recipe system.
Walk Through Blocks
Ever wanted to have an entrance to a building that looks solid, but really isn't?
Ethical Kidnapping & Ransom - Prison Mod
Kidnapping and prison-building, ethically. Down players or villagers without killing them, drag them home on a lead, and lock them in cells you build, with patrolling guards, real escape attempts, and ransoms.

CreativeUtilities
Collection of a lot of tiny features that help with building
Lunar Apocalypse Base Mod
What if the moon crashed into earth?
DestriumMod
DestriumMod is a Minecraft Mod based on Exploration, Building, Tools and Machines !

Catwalks LLC
Catwalks, caged ladders and other industrial stuff for building or just decoration. Forked by Catwalks Inc.
Whose bed?
Figure out whose base you are in by shift right clicking their bed
PetCo Core
PetCo Base mod for the PetCo Addons

TxShulkerboxTooltip
(lifestealsmp.com) Shows you shulkerbox contents when hovering over a shulkerbox in an inventory. Hold [configurable keybind] to lock tooltip & hover over individual items inside the shulkerbox all just from your inventory (or auction house, etc...).
Imbued Deco
Addon to Amethyst Imbuement that adds more decorative blocks based on the materials in the base mod.
Visual Item Edit
Visual Item Edit is a Minecraft mod that lets you modify the base stats of weapons, armor, and tools through an in-game graphical interface.
Effortless Building FTBChunks Fix
A ReWritten fork to fix a bug for the Volkrune SMP
MarketPlacePlus
A marketplace plugin with auction house, player shops, and trade features
Tinkers: Ancient Tools Rebuilding
An addon for Tinkers' Construct that make ancient tools craftable.
PlayerVaults - Unlimited Storage Solution
Infinite personal storage with multi-database support | Lightweight & Lag-Free | 1.21.X
The Castle Crashers Mod
Bring the world of Behemoth's Castle Crashers into the blocky realm!!
TatamiCraft: Japanese Building Blocks
Adds tatami, shoji, fusuma and other traditional Japanese building blocks for creating Japanese-style architecture.
UsefulMisc
Adds various building materials and much stronger materials to the game.
Create: Props And Misc
Create: Props And Misc is an addon for the popular Minecraft Create mod, enhancing your building and automation experience with a variety of new props.
Infinite Light
A small addon for easier obtainment of survival building lighting. Convert all your glowing materials through fluorescent powder!
Builder's Void
A void dimension for all your building needs!
Arcadia Auction House
Arcadia Auction House adds a cross-player marketplace with item listings, a mailbox for delivered purchases, and Numismatics currency support. Requires Arcadia Lib.
Boundless Building
Everything Building ever Missed!
Craftpilot
AI based Minecraft building assistant.
UsefulDecor: Interactive Craft
Adds functional decorative blocks including storage chests, oak windows, and lockable doors that enhance base security.
Direwolf20 9x9 House Mod Revamped
This is a revamped version of the original 9x9 house mod by code_rage
AdvancedStoreHouse
Store and sort your Stuff beyond worlds!
Litematica Printer Addon
A Forge port of the Forgematica Printer mod, bringing automatic block placement functionality to older Minecraft versions for faster schematic building.
Areed's CoreLib
The Base Library/Abstraction Layer for my own mods in order to make maintainance easier.
This & That
Random additions, mostly building blocks.
Apple Tree
Apple trees grow naturally in some biomes, and provide ornamental block & building block.
falcraft
Generate 3D structures from text prompts using AI. Castles, characters, and more in seconds!
House of ghost mod
El hogarcito de los fantasmas