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Minecraft Java 1.21 Mods

Browse 3,590 free mods for Minecraft Java 1.21 — popular picks include SkidMC, QtCraft API, hShop.

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SkidMC
1.21.5fabric

SkidMC

A client-side Fabric API for developing mods and HUDs for KartRider: Minecraft.

107downloads
QtCraft API
1.21.1neoforge

QtCraft API

QtCraft Widget API -- A UI framework for Minecraft based on Qt.

107downloads
hShop
1.21

hShop

A very customisable and weirdly easy to use Shop plugin.

107downloads
Web Requests
1.21.5fabric

Web Requests

Allows you to make get and post requests with commands

107downloads
SimplePunishments
1.21

SimplePunishments

Simple punishment plugin for medium sized servers!

106downloads
CrossTPA
1.2.1

CrossTPA

CrossTPA is a high-performance, cross-platform teleportation suite that seamlessly bridges the gap between Java and Bedrock players with interactive GUIs and robust economy integration.

106downloads
CMIRecipes
1.20

CMIRecipes

Allows players to view all custom recipes from CMI in a convenient GUI.

106downloads
AwesomeToDos
1.18

AwesomeToDos

Create good looking and structured ToDo-Lists and various categories.

106downloads
Quack
1.21.4

Quack

Datapack library for quaternion math

106downloads
FPSWizard
1.21.1fabric

FPSWizard

A simple setup wizard that guides players through Minecraft settings that can improve FPS and performance.

104downloads
Playerreportplugin
1.21

Playerreportplugin

This plugin is help to report any player on any server

104downloads
BasedUtils
1.21.4

BasedUtils

A advanced toolset of easy-to-use implementations for every plugin developer

104downloads
CarLib
1.21.1fabric

CarLib

A modular Minecraft library built for vehicles, gameplay systems, and scalable custom development.

103downloads
PlayerMapX
1.21

PlayerMapX

You can see your own server maps and players and their inventory, Rebranded from SNKAWatchMap

103downloads
N_lib
1.21.9

N_lib

This project adds library functions to Minecraft to easily create advanced datapacks like mods. We now have discord server: https://discord.gg/xTNrJafs89 <- unlimited link. Datapack is modular u can delete something and it will not stop working

103downloads
SkVoid
1.21

SkVoid

SkVoid is a lightweight Skript addon focused on advanced session management. It allows developers to easily track, manage, and reward player activity through real-time session data and custom playtime statistics.

103downloads
FMOD API
1.21.1neoforge

FMOD API

Professional-grade 3D spatial audio API for Minecraft mods

103downloads
FXItems
1.21.4

FXItems

WARNING: Coding Involved | Framework for adding custom Items, Events, Commands and Foods

103downloads
Peaceful Enhancers
1.21.5

Peaceful Enhancers

Basic essentials you can't earn in peaceful, are now obtainable.

103downloads
PokéGems Legacy - Burst Evolution
1.21.1

PokéGems Legacy - Burst Evolution

PokéGems Legacy - Burst Evolution is an PokéGems Legacy Add-on for Cobblemon which adds Burst Evolution into the wonderful world of Cobblemon.

102downloads
UltProfile
1.21

UltProfile

Track players, manage moderation actions, inspect inventories, view session history, and control everything through fully customizable GUIs.

102downloads
NekoNameTags
1.21.11fabric

NekoNameTags

NekoNameTags is a cross-platform mod that adds customizable, animated name tags and status displays across games and social platforms like Resonite, ChilloutVR, and Minecraft.

102downloads
Tenreg
1.21.11fabric

Tenreg

A registration tool for modern Minecraft

102downloads
Soul Fragments
1.21

Soul Fragments

PVP based plugin for smps based on buffing armor with different abilities using soulfragments dropped when killing players

102downloads
[1.20.5-1.21.x] BetterSettings ⚙️ | API-First Player Settings GUI | Folia, Async, High Performance
1.20.6spigot

[1.20.5-1.21.x] BetterSettings ⚙️ | API-First Player Settings GUI | Folia, Async, High Performance

The unified, high-performance settings framework. Replaces fragmented commands with one API-drive

102downloads
InjectLib
1.21.4

InjectLib

A library that adds custom methods to commonly used Paper/Bukkit classes, such as Player.

102downloads
Silver's Ray Cast Library | RCL
1.21fabric

Silver's Ray Cast Library | RCL

Yet another Ray Cast library! with even more functions?

101downloads
InstaKeystrokes
1.21.4fabric

InstaKeystrokes

A clean and customizable keystrokes HUD mod for Fabric 1.21.4 with draggable UI, color customization, and a modern design.

101downloads
Lumaris
1.21.8fabric

Lumaris

A powerful Fabric rendering library offering clean 2D, 3D, and custom font rendering utilities. Designed to give developers a consistent, expressive visual API without the boilerplate.

101downloads
Armstrong
1.8.9

Armstrong

Plugin that utilizes Lunar Client's Apollo API.

101downloads
Early Tags
1.21.1fabric

Early Tags

Inspect tags and other data WAY before it should be available.

101downloads
music_lib
1.21.11fabric

music_lib

Allows you to control Minecraft's music.

100downloads
Modmc
1.16

Modmc

A highly optimized, zero-dependency, and incredibly accurate anti-cheat built natively on PacketEvents. Catch modern hackers instantly across versions 1.8 to 1.21.3 without punishing legitimate players.

100downloads
mannequin controlls
1.21.9

mannequin controlls

mannequin controlls allows you to move/pose mannequin easily and can be used as a mini library for a variety fo projects.

100downloads
layout
1.19

layout

A simple and powerful library for creating customizable inventories on the Bukkit API.

100downloads
GlobalMarketplac
1.21paper

GlobalMarketplac

Cross-server Auction House for Paper with anti-dupe, Vault economy, Discord support and built in Geyser Support.

100downloads