Forge Mods for Minecraft Java
Browse 209 free Forge mods for Minecraft Java — popular picks include Cupboard, Iceberg [Neo/Forge], ZeroCore 2.
Step by step: How to install Minecraft Java mods & modpacks
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Cupboard
Cupboard provides code, frameworks, and utilities for minecraft mods
Iceberg [Neo/Forge]
A modding library that contains new events, helpers, and utilities to make modder's lives easier.
ZeroCore 2
Utility mod and multiblock API
FTB Utilities (Forge)
FTB Utilities is a mod by FTB. It aims to provide several useful utilities within the FTB Platform ranging from friends list, server configuration utilities, world borders, guide system and many other features...
InsaneLib
A set of common classes and utilities used by Insane's mods
Roughly Enough Items Fabric/Forge/NeoForge (REI)
Clean and Customizable. An easy way to browse recipes. Alternative to JEI Just Enough Items.
MysticalLib
Structure spawning utilities, code-based block and item models, and other nice utilities!
EMI
Featureful and accessible modern item and recipe viewer with JEI compatibility
Obfuscate
A library that adds in useful events and utilities
JEITweaker
Adds CraftTweaker support to Just Enough Items
NotEnoughItems
Recipe Viewer, Inventory Manager, Item Spawner, Cheats and more
Iceberg
A modding library that contains new events, helpers, and utilities to make modder's lives easier.
mutil
Data management, network utilities and hierarchical view rendering for minecraft

GlitchCore
A library mod aimed at abstracting mod loaders and providing various utilities for our mods.
Create: Dragons Plus
Provide convenient features to players and dev utilities for Create addon developers.
Open Parties and Claims
Adds the ability to claim chunks and make player parties, integrates with Xaero's Minimap and World Map
Elysium API
Elysium is a library mod with various utilities, built-in features and new data driven systems for both Mod-Developers and Modpack-Creators to utilize
Data Anchor
Simple library mod with helpful data attaching and networking utilities including attaching data to entities, chunks, players, and worlds with low boilerplate code. Its own system built from the ground up for multiloader support.
Not Enough Items 1.8.+
Recipe Viewer, Inventory Manager, Item Spawner, Cheats and more
Numina
Various utilities
ObsidianUI
SpruceUI unofficial forge port, is a Minecraft mod API which adds some GUI utilities.
Kube Utils
Adds helper utilities and new features to KubeJS in a clean, concise and consistent API design
FDLib
Collection of utilities for my mods
RLTweaker
Miscellaneous fixes and tweaks for RLCraft
[Let's Do] API
A Library for Forge and Fabric with utilities such as Render Features, Recipe Books and Wood API
FTB Tweaks
This is a very simple mod that introduces the concept of game modes. For want of a better description this allows you to set up multiple minetweaker profiles and switch between them on the fly (no server restart required) This gives you the ability to...
Looot
Random item name generators and other loot table utilities
Fzzy Core
API used in fzzyhmstrs mods that provides various utilities for Kotlin mods
Cobblemon Counter
A utility mod that keeps track of Cobblemon wild KO/capture counts/streaks.
CraftTweaker Utils
Various utilities for CraftTweaker scripts
MossyLib
Library with basic utilities for Mossy projects.
Gilded Games Util
Utility mod used in the mods by Gilded Games such as the Aether II.
Potacore
Library to provide universal utilities classes for projects.
Crust
A modding and testing toolkit with a few other minor utilities.
BBL Core
Various useful methods, utilities and helpers to make coding mods a bit better
Lazr's Lib
A library containing many utilities for Lazr's Mods.