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Minecraft Java 1.21 Mods

Browse 3,590 free mods for Minecraft Java 1.21 — popular picks include SimpleRPGCore, Feywild: Library, BukkitOfUtils.

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SimpleRPGCore
1.21.1neoforge

SimpleRPGCore

a simple RPG core mod for kubejs modpack or mods

5.6kdownloads
Feywild: Library
1.21.1neoforge

Feywild: Library

The Loremaster in his Library will give guide books you can borrow.

5.6kdownloads
BukkitOfUtils
1.8

BukkitOfUtils

Easily develop plugins that support the majority of server software! Supports Folia too!

5.6kdownloads
Scabbard
1.20.1forge

Scabbard

A cross-loader compatibility library for various projects.

5.6kdownloads
Unbound Third Person
1.21.4fabric

Unbound Third Person

360 Free-Look Camera Mod for Fabric, Forge, and NeoForge

5.5kdownloads
Economy for Fabric
1.20.1fabric

Economy for Fabric

The Economy API for Fabric

5.5kdownloads
CC:DirectGPU
1.21.1neoforge

CC:DirectGPU

High quality resolution for cc "monitors" "Fabric Version has been DISCONTINUED due to difficulty in maintaining both version's, Please use Forge or Neoforge version."

5.5kdownloads
fweigel-util-lib
1.21.11fabric

fweigel-util-lib

Shared client-side utility library for my Fabric mods. Provides common rendering, storage, UI, and sound utilities.

5.5kdownloads
FE Core
1.21.4neoforge

FE Core

Core dependency for FirEmerald's mods

5.4kdownloads
Velvet
1.21.1neoforge

Velvet

A Fabric & NeoForge library to help with shader usage, based off of Satin

5.4kdownloads
Hollow Engine
1.21.1fabric

Hollow Engine

Powerful content creation framework for modpacks maps and servers. Features Kotlin & Katari scripting, in-game scripting IDE, advanced NPCs, dialogues, animations, and cutscenes all in one.

5.4kdownloads
reden-mev
1.21.4fabric

reden-mev

Reden-mev Mod connects Minecraft players to the Minecraft Engineers Vault (Minemev) directly in-game.

5.3kdownloads
GroovyDuvet
1.21fabric

GroovyDuvet

Language adapter and wrapper libraries for Groovy mods on Fabric and Quilt

5.3kdownloads
Classic Reimagined for Sodium and Mods
1.20.5

Classic Reimagined for Sodium and Mods

Resource pack for Sodium Compatibility

5.3kdownloads
NPCs engine
1.21.9

NPCs engine

Interactive NPC system with dialogues for Minecraft 1.21.9+

5.3kdownloads
Deltapack
1.21.11

Deltapack

A deltarune datapack adding content from dark fountains and dark worlds to the roaring knight. As well as items and spells like snowgrave and the shadow mantle.

5.2kdownloads
morpher
1.21.1fabric

morpher

A mod that changes the player's rendering to whatever you want using geckolib

5.2kdownloads
AoA Core
1.21.1neoforge

AoA Core

Progression, team, and authority layer for the AoA modpack. NarrativeEvent bus, stage-guard recipe/loot conditions, and more in-depth pack layering not possible by kubejs or other scripting mods. All future mods made by me will use this as a library mod

5.2kdownloads
NeoGeckoJS
1.21.1neoforge

NeoGeckoJS

Use GeckoLib to create animatable block/item/armor by KubeJS now on NeoForge!

5.2kdownloads
MCTier Library
1.21.1neoforge

MCTier Library

A library mod needed for the mixins that change minecolonies food tier food.

5.2kdownloads
Copper Networks
1.21.1fabric

Copper Networks

A Power system for use by my (and other's) mods that uses copper blocks as wires.

5.1kdownloads
RandomDirtDrops
1.21

RandomDirtDrops

RandomDirtDrops is a fun Minecraft data pack that makes breaking dirt blocks drop completely random items from the entire game — from diamonds to dragon eggs! Perfect for chaotic survival challenges and OP item speedruns.

5.1kdownloads
MKWidgets
1.21.1neoforge

MKWidgets

An alternate GUI widget library for Minecraft

5.1kdownloads
Mixin Helper
1.21.1neoforge

Mixin Helper

Utility mod for modpack developers that provides complete control over mixin behavior

5.1kdownloads
Retina
1.21.5

Retina

Minecraft raycasting library that can detect precisely what block a player is looking at, including special block shapes like slabs & stairs.

5.0kdownloads
M*dder Name Lib
1.21.1neoforge

M*dder Name Lib

Yeah, another one of these. Shared code for quat's Season 2 mods.

5.0kdownloads
Café Core
1.21fabric

Café Core

Core library mod by Café Leblanć. Provides shared systems and utilities used by other mods from the same studio. Not standalone — required only as a dependency.

5.0kdownloads
Nixienaut
1.0fabric

Nixienaut

A common code Library.

5.0kdownloads
Azurium : Tools - Armor
1.21.1neoforge

Azurium : Tools - Armor

Add New Simple Material [ Azurium Tools And Armors ] [ Not OP Mod ] [ Hardcore ]

5.0kdownloads
Protect
1.21.4

Protect

A WorldGuard-like, modern world protection plugin made for API usage

5.0kdownloads
FirmaNutrition
1.21.1neoforge

FirmaNutrition

An addon that changes TFC player nutrition to behave in a more continuous manner

5.0kdownloads
TidyInv
1.20.1neoforge

TidyInv

Smart, fast, server-friendly inventory sorting with 7 modes, vertical sort, locked slots, profiles, chest presets, deposit/restock/dump/take buttons, in-game config GUI, and a public API. Works in your inventory and in any chest, barrel or shulker.

5.0kdownloads
Fabric ORM Jimmer
1.0fabric

Fabric ORM Jimmer

Fabric ORM module for Jimmer.

4.9kdownloads
Boomerang
1.20.1forge

Boomerang

Mod that adds an 100% Working Boomerang (GeckoLib)

4.9kdownloads
MWeb - File Sharing
1.18

MWeb - File Sharing

Create links to your server files to share them! Links can be global, ip/user limited, timed and more. Easily zip folders and even send them to players as texturepacks! Custom Web Server responses - Part of MUtils

4.9kdownloads
Sable AABB Fix
1.21.1neoforge

Sable AABB Fix

Fixes crashes and console spam from abnormal AABB coordinates when riding vehicles

4.9kdownloads