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Minecraft Java 1.21 Mods

Browse 3,576 free mods for Minecraft Java 1.21 — popular picks include StackDeobfuscator, JCPlugin, Citadel.

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StackDeobfuscator
1.17.1fabric

StackDeobfuscator

Remaps logged stacktraces to readable mappings

16Mdownloads
JCPlugin
1.21.9fabric

JCPlugin

Core Plugin Library for JomcraftNetwork's mods

16Mdownloads
Citadel
1.21neoforge

Citadel

A Lightweight Library

15Mdownloads
Data Anchor
1.21.1neoforge

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.

15Mdownloads
AAA Particles
1.21.1neoforge

AAA Particles

Effekseer loader on minecraft 1.18+

15Mdownloads
Atlas API
1.21.1neoforge

Atlas API

Datadriven Texture Solution | API for Runtime Atlases

15Mdownloads
Temporal API
1.21neoforge

Temporal API

Temporal API is the library for Team Temporal mods, other projects may use it as well.

15Mdownloads
ArmoreableMobs
1.21.1fabric

ArmoreableMobs

Allows you give armor and items to an entity when it spawns using Craftweaker with gamestages support!

15Mdownloads
GottschCore
1.20.1forge

GottschCore

This is a new base library of code that is used in all of my other mods.

15Mdownloads
PandaLib
1.20fabric

PandaLib

A Library mod used by The Panda Oliver

15Mdownloads
Zeta
1.21.1neoforge

Zeta

Comprehensive Load-Bearing Library for Modular Mods

15Mdownloads
Oracle Index
1.21.1fabric

Oracle Index

A minecraft fabric / neoforge client-side documentation viewer mod, intended to be used with wikis alongside moddedmc.wiki

14Mdownloads
Bagus Lib
1.21.1neoforge

Bagus Lib

This mod is using baguchi's mod and you can use too!

14Mdownloads
Structure Pool API
1.21fabric

Structure Pool API

📚 API to inject structures into structure pools.

14Mdownloads
Fusion (Connected Textures)
1.21.11neoforge

Fusion (Connected Textures)

Fusion allows resource packs to use additional texture and model types such as connected textures!

14Mdownloads
DataPack Anvil
1.21.1neoforge

DataPack Anvil

DataPack Anvil Is a library mod that is made to facilitate the creation of datapack driven mods.

14Mdownloads
LibJF
1.21.1neoforge

LibJF

A library for my mods

14Mdownloads
Advanced Loot Info (ALI)
1.21.11neoforge

Advanced Loot Info (ALI)

EMI/JEI/REI plugin for displaying advanced information about loot tables and villager trades

13Mdownloads
BucketLib
1.21.11fabric

BucketLib

Library mod for custom buckets (Forge, NeoForge, Fabric, Quilt)

13Mdownloads
LibZ
1.21.1fabric

LibZ

open source library for a couple of globox_z mods

13Mdownloads
Kiwi 🥝 (Fabric)
1.21.1fabric

Kiwi 🥝 (Fabric)

Minecraft modding library

13Mdownloads
TxniLib
1.21.5fabric

TxniLib

Multiversion library mod for Txni projects

13Mdownloads
Necronomicon API
1.21fabric

Necronomicon API

A personal utility library for my mods.

13Mdownloads
MMD OreSpawn
1.21.1neoforge

MMD OreSpawn

Minecraft library mod that provides customizable spawning of ores in Minecraft.

13Mdownloads
Ranged Weapon API
1.21neoforge

Ranged Weapon API

🏹 Create fully functional bows and crossbows, with ease

13Mdownloads
Structure Expansion
1.21.1neoforge

Structure Expansion

Small mod that Increases the size limit of structure blocks and fill command

13Mdownloads
Accessories
1.21.1fabric

Accessories

An extendable and data-driven Accessory Mod for Minecraft

13Mdownloads
Carbon Config
1.20.1forge

Carbon Config

IC2Classics Config Library

12Mdownloads
Faux Custom Entity Data
1.21.8fabric

Faux Custom Entity Data

This API provides the framework and necessary patches for storing custom and persistent data onto entities.

12Mdownloads
Thermoo
1.21.1neoforge

Thermoo

Temperature and Environment library mod for Fabric and Quilt. Used by Frostiful and Scorchful.

12Mdownloads
ObsidianUI
1.21.5neoforge

ObsidianUI

SpruceUI unofficial forge port, is a Minecraft mod API which adds some GUI utilities.

12Mdownloads
ExperienceLib
1.21neoforge

ExperienceLib

Lib made to handle Experience

12Mdownloads
Mapper Base
1.21.1neoforge

Mapper Base

A mod that provides basic elements for all my other mods.

11Mdownloads
ShadowizardLib
1.21.10neoforge

ShadowizardLib

A library mod that contains shared code between my mods

11Mdownloads
Lodestone
1.21.1neoforge

Lodestone

A collection of code used throughout projects under the Lodestar team.

11Mdownloads
Shield API
1.21neoforge

Shield API

Creating shields with custom models was never easier!

11Mdownloads