Mods for Minecraft Java
Browse 8,867 free mods for Minecraft Java — popular picks include ImproperUI, Exclusions Lib, E-Utils.
Step by step: How to install Minecraft Java mods & modpacks
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ImproperUI
The ultimate solution to Minecraft Rendering being too hard to learn. Uses a custom scripting language highly inspired by Cascading Style Sheets to create fully working ingame GUIs!
Exclusions Lib
A library for reducing headaches when working with json, and to give datapack makers new levers to play with!
E-Utils
EverlastingUtils is a robust utility library for Minecraft mod development and all of Hysocs mods.
SLM: Epic Fight
Add utilities to create passive skills, innate skills, and implement events in Skills for Epic Fight; model, registry & sync utilities.
Extended Shaders
Adding shader support for mods
PotatoLib
Common code storage for Mary/Undying's mods
Female Plastic Surgery: Bust Limit Tweaker
Modify the upper and lower limits of certain bust-related parameters in the Wildfire's Female Gender mod.
ZeroCore
A mod intended for other mod authors, it contains a revised multiblock API that support multiple client mods without performance penalities, a new new GUI system, a base BlockEntity implementation that simplifiy data syncronization and much more.
Set Effect
Allows modpack makers to apply an effect to players when wearing a full armour set
Flare (Spark for 1.12.2)
Flare is a performance profiler for 1.12.2 clients and servers. Based off of Spark.
[FVTM] Fex's Vehicle and Transportation Mod
A vast addon-based mod allowing you to create Vehicles, Containers, Items, Blocks, Food/Drinks, Clothes and more!
Global Datapacks
Adds a shared datapacks folder that works across all your worlds.
CustomOreGen
Custom ore generation via XML configuration
WATERMeDIA: Binaries
WATERMeDIA Binaries for FFMPEG
WrapperLib
multi-platform library for easier data serialization
CHP: Core
A simple core mod for Cave Horror Project.
CITResewnNeoPatcher
Patches CITResewn Mod so it runs on NeoForge through Sinytra Connector!
VzlingLib
A lib that provides bedrock animation support and boss mob templates.
Modern KeyBinding [Fabric]
Add key conflict context and key modifier for FabricMC
Immersive Portals for (Neo)Forge
See through portals and go through them seamlessly without a loading screen.
Minecraft Animated
Experience your professionally animated mobs in Minecraft
CCore
Contains useful functions that my mods can use.
Beautified Chat [Server]
💬 A highly configurable mod to change the style and colour of chat messages server-wide.
RotN Tweaker
Made for Rebirth of the Night. Offers miscellaneous modpack utilities and features for the ingenuous
Baubles-LTS
Baubles 1.12.2 LTS: An addon module and API for Thaumcraft
Interaction Boxes
This mod implements a system that allows custom mod blocks to have multiple interactable parts. The actual functionality of these parts is highly customizable to fit any need a mod might have.
Omnixerio Modding Library
Modding Library for Omnixerio Mods
ZenRecipeReload
Reload recipes for CraftTweaker 1.12.2
Voice Chat Recording
A mod that allows recording player voices using Simple Voice Chat, and exposes an API to get and play them.
Awesome Sauce Core
Core mod for gjgfuj, and possibly others.
Crafting Dead: Immerse
Created for the Crafting Dead Modpack.
Draconic Alchemy
Addon to customise the Draconic Reactor detonation

Dark Matter
Just another Boring library mod.
NBT-API
Add custom NBT tags to Items/Tiles/Entities without NMS
ContentTweaker Registry Orderer
Orders the registration of ContentTweaker items and blocks
Mechanics - Crafting Ways
Adds different crafting mechanics.