Mods for Minecraft Java
Browse 8,873 free mods for Minecraft Java — popular picks include LibGuiFoxified, TritiumConfiguration, BlockProt.
Step by step: How to install Minecraft Java mods & modpacks
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LibGuiFoxified
LibGui unofficial NeoForge port. Easier GUIs for NeoForge.
TritiumConfiguration
A lightweight configuration library for multi-mod-loader platforms with multi-MC-version support, designed for new developers and those who want to streamline their workflow.
BlockProt
Bukkit plugin to protect your chests, furnaces and more with a modern GUI approach.
Toxicity [Architectury]
Acid Rain in Minecraft
SeamlessLib
API for all my mods, makes it easier for other developers to implement and add onto my projects
Econ: Market and Commerce
Make your own customizable in-game server shop and multiplayer auction house with Econ, a secure, multiplayer-safe server economy and auction system designed specifically for servers and SMPs with friends
Economy Fabric
The Economy API for Fabric.
Abstract Operations
Json <-> NBT interchange library
Better Mod
Improving Vanilla Experience and Performance
Limitless Logistics
Ultimate solution for bottomless energy transfers.
Saro´s Default Options
Default options for modpacks
Thermal Expansion Specialization Hooks
Adds hooks for 1.12 Thermal Expansion machine specializations.
DjsCore
A Core mod for Dj's Mods
Chiseled Block Wand
An example mod for Direwolf20 that demonstrates Chisels & Bits API functionality.
Citadel (Legacy)
A backport of the Citadel library to 1.12.2
Vivecraft Spigot Extension
Adds support for Vivecraft on Spigot/Paper/Folia based servers
UE Addons
The Core mod of the modpack "Create:Infinity Mechanism"
King's Better Animations
Uses KosmX's Player Animation mod and GeckoLib to add in better animations

Afrikalify Music
A modern in-game music player with themes, queues, and Simple Voice Chat support.
Auto Sprint Fix
Always Sprint is a lightweight client-side Fabric mod that keeps sprinting smooth and simple. It adds auto sprint, preserves toggle sprint through respawns, and works without Fabric API.
ZSRarity
Crafttweaker addon for making custom "rarities"
MasuGUI
Data-driven server-side GUI library with rich client rendering and automatic vanilla chest fallback for unmodded players.
NemexLib
A library mod for Minecraft and Thaumcraft 4 Mod in 1.7.10. Used for most of my mods.
ValorlessUtils [1.18-26.2]
Utility library for easier plugin development.
MapleItems
The MapleItems mod adds in loads of misc items from MapleStory and Lineage to the world of Minecraft.
Backpack Attribute
An unconventional backpack mod using an entity attribute.
Broken Wings - Game Stages Edition
Fork version that add Game Stages compat
Iskandert's Library
A library of functions used primarily by Iskandert's Team mods
SimpleCloud API Plugin
This Project aims to provide very easy API access for all SimpleCloud APIs
Rage Mod
Add "Rage" to entities. Get damage bonus on full rage.
MusicalLib
Small library to make it easy to add new discs to the game.
HamsterAPI
Lightweight Spigot/Bukkit API library that provides developers with utility methods, performance-focused abstractions, and shared systems to speed up plugin development.
Wolf core
Collection of commands and classes
what should my library mod be?
This is just another library mod, nothing special.
CAWEZ'S Mantle to Stratus
A vertical expansion to Minecraft adding 3 new dimensions both above and below the Overworld, with many sights to see and challenges to overcome.

CC: Deep Seas
CC: Tweaked x Create: Deep Seas