Mods for Minecraft Java
Browse 8,879 free mods for Minecraft Java — popular picks include Piston Packing, QuLib, custom-crafter-api.
Step by step: How to install Minecraft Java mods & modpacks
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Piston Packing
Extended functionality for block creation and collection using pistons.
QuLib
Libraries for vector math
custom-crafter-api
An advanced PaperMC crafting engine for building complex recipes with NBT-supported custom items.
Apocalypse Zombies: REDONE
Apocalypse Zombies redone in another version of Apocalypse Zombies, no longer requires Geckolib
netlib
Kotlinx Serialization for custom payloads.
Equipment Weight
Adds a weight system for equipment.
Unnamed Common Library (UCL)
A very simple, easy to use configuration library that fits right in your mod!
Whats This
A fork of the 1.12.2 version of The One Probe for Beta 1.7.3
Custom-Mojang-Auth
A small library that allows your mod to automatically sign in to your custom server using the players mojang account
Event Hooker
A coremod that allows for easily injecting event hooks into existing methods.
TFC:TFF Drying Racks
TFC:TFF fork of TFC Drying Racks
UE Addons Part 4
The extension of UE Addons 2, The forth core mod of the modpack "Create:Infinity Mechanism"
Nothirium LittleTiles Patch
This mod is designed to fix the incompatibility between Nothirium and LittleTiles.
Silly Ores
Adds more ores, biomes, structures & more!
Wikiful
A simple data-driven tip and wiki library mod.
Chiseled Lib
an Library created to help with development for the architektum workshop projects and to stop repeat creation of code
NarrativeCraft-EmoteCraft
Add EmoteCraft compatibility to NarrativeCraft
Don't Crash Obscura
Crash-guard mod for NeoForge 1.21.1 that intercepts Tom’s Storage capability lookups and inventory tracking to prevent server crashes from invalid caches, failing safely instead of halting your world.
ForgeConomy
A Simple Wallet mod to implement Economies on Forge Servers
GL Handler
This is a core mod to handle Open Gl Stuff
noenchantlimits
Removes vanilla enchantment compatibility restrictions, allowing normally incompatible enchantments to be combined using an anvil.
UltimateColorLibrary
Just a library for colors.
Aquila Core
Library mod for the Aquila Mod
ChemLib Custom Compounds
A small addon for ChemLib that allows adding elements and compounds using JSON configs.

Player Persistence
!API MOD! Additional Code required A simple library that allows to sync player data such as inventories, ender chests and locations between multiple servers
The Next Leap Additions
This is a Generic Mod Used in The Next Leap Modpack.
Sewn Hexes
Provides various patches for Hexwoven (along with a couple items)
CoreConfig
An easy-to-use configuration mod for developers and users
EternalExtensions
EternalExtensions is a mod which changes assets, sounds of other mods. It also adds features. it is made for the Modpack "EternalCraft"
Rhaizzing Core
Core mod for all TonRZN mods
NMSulator Library - Legacy
A library attempting to make NMS easier to use
bigpodgurc core
my first project
TeamBR-Core
Function Library for Team BR Modding
Lxnya's Infinite Stacks
A customizable stacking mod created with Ai,from Lxnya
ZambieLib
The shared library behind ZambieD's mods. If a mod sent you here, just install it; it does the rest on its own.
Thread Weave
Async processing framework for safe multithreaded simulations