Mods for Minecraft Java
Browse 9,120 free mods for Minecraft Java — popular picks include BCLib, Almanac Lib, Sonar Core.
Step by step: How to install Minecraft Java mods & modpacks
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BCLib
A library mod for BetterX mods
Almanac Lib
A loader independent library containing shared code reused between mods and a fix for empty nbt issues.
Sonar Core
Sonar's Modding Framework
oωo (owo-lib)
A general utility, GUI and config library for modding on Fabric and Quilt
EMI
Featureful and accessible modern item and recipe viewer with JEI compatibility
Project Red - Core
Core module for the Project Red series
Better Questing
A new and improved questing mod for Minecraft pack creators
Bookshelf
An open source library for other mods!
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
Iceberg [Fabric]
A modding library that contains new events, helpers, and utilities to make modder's lives easier.
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
EdivadLib
Just a common library for all my mods
JEITweaker
Adds CraftTweaker support to Just Enough Items

Fzzy Config
Config API with automatic GUIs, powerful validation options, server-client sync, and more!
Moonlight Lib
dynamic data pack and registration, villager activities, custom map marker and a lot more
FTB Filter System
FTB Filter System (aka FFS) is a powerful item filtering mod with friendly GUI editing
libIPN
Gui/Config Libarary for Inventory Profiles Next and related mods

TerraBlender
A library mod for adding biomes in a simple and compatible manner!
Glodium
A codelib for render, registry and network stuff
Searchables
Searchables is a library mod that adds helper methods that allow for searching and filtering elements based on components, as well as offering built in auto-complete functionality.
Patchouli (Fabric/Quilt)
Fabric and Quilt port of Patchouli
NotEnoughItems
Recipe Viewer, Inventory Manager, Item Spawner, Cheats and more
YUNG's API (Fabric)
A library mod for some of YUNG's Minecraft mods (Fabric version)
GuideME
A guidebook toolkit for mods and modpack makers alike with comfortable markdown formatting, and live 3d scenes!
GunpowderLib
A support library for Jackyy's mods.
FLIB
FutureLIBrary mod to speed up porting and developing new content
Night Config Fixes [Archived]
A small number of workarounds for relatively common issues concerning the Night Config library.
AE2 Wireless Terminal Library
A library for AE2 addon wireless terminal which simplifies integration and adds infinite range capabilities
Majrusz Library
Library with common code for some of my modifications.
MaLiLib
A library mod for client-side mods. Contains most of the common/shared code of masa's client mods, and adds some inter-operation support between the dependent mods.