Minecraft Java 1.21 Mods
Browse 3,577 free mods for Minecraft Java 1.21 — popular picks include Compendium, Sherds API (NeoForge/Fabric/Quilt), Thermoo Patches.
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Compendium
A user expandable material library with workstations and stylable blocks to use them in.
Sherds API (NeoForge/Fabric/Quilt)
Makes adding new pottery sherds easier
Thermoo Patches
A suite of integration and compatibility patches for Thermoo-based mods (including Frostiful and Scorchful) and other mods
WATERMeDIA: Platform Extension
WATERMeDIA mod extension, adds YouTube, SoundCloud, Facebook, Instagram and Newgrounds support
NovaCore
Library mod for NovaMachina Mods
AU: Immersive Engineering
Almost Unified integration for Immersive Engineering.
Quad
Tags, More of them. Giving you more Power
SDM UI Lib
A simple library that will simplify the creation of interfaces
Aaron
The library for all my mods
LegendRelicLib
This pre-library provides a collection of methods designed to eliminate repetitive steps.has more function
Custom Machinery Ars Nouveau
Ars Nouveau support for Custom Machinery
Simply Tooltips
Modern data driven tooltip rendering
ApexCore
Library Mod required by all of ApexStudios' mods
Dynamic Lights [Data Pack]
Supported entities and items such as torches or lanterns emit light!
Structures Tweaker
StructuresTweaker gives you complete control over how players interact with structures in your world.
Databank
A library mod facilitating the creation of the bold and experimental, primarily made for the Aberrant Shores project.
ModMenu Badges Lib
More badge!!!
Ledger
A serverside logging mod.
Sewing Kit
Adds a Sewing table and mechanic similar to the vanilla cartography or stonecutting
CraftedCore
Another API mod
AE2AddonLib
A lib that aims to ease the development of AE2 addons.
SpiffyHUD
Addon for FancyMenu to customize the in-game HUD.
DungeonZ
Base mod to add new dungeons with one default dungeon
Easy NPC: Core
Provides the core functionallity for the Easy NPC mod.
Bento Box
A modular library for expressive GUIs and declarative configs
DragonLib
A library mod for all my other mods.
TLib
Library for Take's Mods.
Iglee's Library
This is the lib for all iglee42's mods
BBL Core
Various useful methods, utilities and helpers to make coding mods a bit better
One Enough Lib
A Lib for simplified development of the OE series
BoxLib
A client-side library mod with tons of features to do all the heavy lifting for all client-side mod developers.
ManasCore
Modding and Core Library by ManasMods
Bookling Gear
Library and in game configuration for Eruannie_9's mods
Citadel (Unofficial Port)
A Lightweight Library
Factory API
An API that supports different mod loaders and is the basis of mods like Factocrafty
Lucky TNT Lib
The Library Mod to the Lucky TNT Mod!