Forge Mods for Minecraft Java
Browse 3,919 free Forge mods for Minecraft Java — popular picks include IvToolkit, PolyLib, Library Ferret - Forge.
Step by step: How to install Minecraft Java mods & modpacks
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IvToolkit
Versatile mod framework
PolyLib
A Minecraft lib used for all of CreeperHosts mods
Library Ferret - Forge
Shared lib for the mods of jtorleon-studios-team
UniDict
a mod to unify all ingots/ores/etc; with: AE2, Immersive Engineering, Mekanism, IC2, Thermal Expansion, and a lot more Integrations.
HammerLib
Library used by all of DragonForge team's mods.
Roughly Enough Items Fabric/Forge/NeoForge (REI)
Clean and Customizable. An easy way to browse recipes. Alternative to JEI Just Enough Items.
Domum Ornamentum
Millions of unique block variants and all stairs/slabs/walls/fence and more vanilla Minecraft forgot
BlockUI
Easy to Use UI library for Forge mods
Rustic
A Medieval Expansion Mod
Recurrent Complex
Adds a ton more structure generation, dungeons, and randomized loot - Fully customizable
EpheroLib
Fabric/Forge library mod to make it a bit easier to develop mods for both platforms
MCMultiPart
A universal multipart API for modern Minecraft
MysticalLib
Structure spawning utilities, code-based block and item models, and other nice utilities!
Obscure API 🧩 Forge
Auxiliary Library
OreLib
Support library for OreCruncher's mods
U Team Core
This libary contains many usefull modding stuff
Almanac Lib
A loader independent library containing shared code reused between mods and a fix for empty nbt issues.

EMI
Featureful and accessible modern item and recipe viewer with JEI compatibility
Sonar Core
Sonar's Modding Framework
Project Red - Core
Core module for the Project Red series

Better Questing
A new and improved questing mod for Minecraft pack creators
LunatriusCore
A (small) compilation of utility classes used in Lunatrius' mods.
Scalable Cat's Force
Scala language provider for Minecraft 1.13.2 and newer
Catalogue
A universal mod list menu for all modloaders!
Simple Discord RPC
A simple to use RPC plugin for Minecraft and Modpacks
BNBGamingLib
Library for Blood N Bones Gaming mods
ExpandAbility
Library mod that provides increased control over vanilla effects and abilities
Combat Roll [Fabric & Forge]
🧶 Adds combat roll ability, with related attributes and enchantments.
Obfuscate
A library that adds in useful events and utilities
Moonlight Lib
dynamic data pack and registration, villager activities, custom map marker and a lot more
EdivadLib
Just a common library for all my mods
FTB Filter System
FTB Filter System (aka FFS) is a powerful item filtering mod with friendly GUI editing
JEITweaker
Adds CraftTweaker support to Just Enough Items
libIPN
Gui/Config Libarary for Inventory Profiles Next and related mods

Glodium
A codelib for render, registry and network stuff
GuideME
A guidebook toolkit for mods and modpack makers alike with comfortable markdown formatting, and live 3d scenes!