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Minecraft Java 1.21 Mods

Browse 3,588 free mods for Minecraft Java 1.21 — popular picks include MythicItemGui-A mythical item library based on Gui display, Jsonite Modded Resource pack example, NoxaFrame.

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MythicItemGui-A mythical item library based on Gui display
1.12spigot

MythicItemGui-A mythical item library based on Gui display

A mythical item library based on Gui display

76downloads
Jsonite Modded Resource pack example
1.21.4

Jsonite Modded Resource pack example

Example Resource pack for Jsonite Mod library

76downloads
NoxaFrame
1.21.1neoforge

NoxaFrame

lightweight UI-framework for NeoForge

75downloads
Bento GUI
1.21fabric

Bento GUI

The expressive GUI library from Bento Box

75downloads
Research Tree
1.21.1neoforge

Research Tree

A Research Tree mod for all of your needs. Supports many things and is fully data-driven!

75downloads
Invite System
1.19

Invite System

Whitelist plugin with collective responsibility. Banning an invitee penalizes the inviter. Low trust scores result in automatic unwhitelisting. LuckPerms and MySQL/YAML supported. Has a reputation system.

75downloads
Shadi Smith
1.21.1neoforge

Shadi Smith

Adds a new smithing recipe type that applies enchanting.

75downloads
NightEconomy
1.21.1neoforge

NightEconomy

Economy Mod, Create as many currencies as you want

75downloads
Spis Ui Api
1.21.1neoforge

Spis Ui Api

Library mod that adds easy to use UI elements like Custom Fonts or animated textures

74downloads
Bento Config
1.21fabric

Bento Config

The declarative config library from Bento Box

74downloads
Revival Shrine & Lives System
1.21.8fabric

Revival Shrine & Lives System

Every player gets 10 lives. Lose them all and you're stuck in spectator mode — unless your friends build a shrine to bring you back.

74downloads
Open Assets Lib
1.14

Open Assets Lib

This Library contains many open source assets, that are free to use in other creators' projects.

74downloads
MCBoard
1.8

MCBoard

Panel up, No setup.

74downloads
Contents Director
1.7.10forge

Contents Director

Runtime mod and file installer for Minecraft modpacks.

73downloads
MatchMaking
1.21.1neoforge

MatchMaking

A framework for organizing team PvP matches with flag capture, custom kits, — all configurable in-game without editing files.

73downloads
Open And Close Non Player Inventories
1.21.11

Open And Close Non Player Inventories

you can now detect opening and closing inventories with this datapack!

73downloads
Flying Mount Library
1.21.1fabric

Flying Mount Library

A development library mod to help easily create flying mounts.

73downloads
ikbLib
1.21.1neoforge

ikbLib

An API for density functions that use the world seed, voronoi/cellular noise, and new fluid behaviors

73downloads
Giant Attribute Tweak
1.21

Giant Attribute Tweak

Changes the Giant Mob attribute to make it compatible with mods that adds IA

73downloads
Hero's Lib
1.21.1neoforge

Hero's Lib

A library for a couple mods made by Herobrot.

72downloads
PvP Framework
1.21

PvP Framework

A framework for creating PvP games

72downloads
JS Runner
1.21

JS Runner

The plugin aims to add the ability to run JavaScript files in a Minecraft server.

72downloads
MapProtect
1.21

MapProtect

MapProtect is built to work alongside automated map rotation systems, allowing FFA servers to maintain clean, reusable arenas without requiring manual resets.

71downloads
Chest Door Lock
1.21.9

Chest Door Lock

Lock is a lightweight and multiplayer-friendly Minecraft datapack that allows you to easily secure your items and structures.

71downloads
ManaMod Nixsas
1.21.1fabric

ManaMod Nixsas

Requires Minecraft 1.21.1, Fabric API 1.21.1 and Fabric Installer of version. Mana System added, Ice/Lava Mana Upgrade, Swords, Armor, Bar's, Main R ability that enables you to walk on water or lava, special Sword ability's and much more, join discord.

71downloads
FalchusLib
1.8spigot

FalchusLib

A library designed to simplify & speed up software development.

71downloads
mqttlib
1.21.1neoforge

mqttlib

A Dependency for NeoForge Mods that require MQTT

71downloads
AgnTpa
1.20

AgnTpa

Advanced Tpa System / PTP System

71downloads
Extender
1.20

Extender

Minecraft Command length Extender & Minecraft Custom Function Runner.

71downloads
Chroma
1.21.11fabric

Chroma

A Collection of code commonly used in Nitron's heavily rendering focused mods.

70downloads
C-erva Core
1.21.11fabric

C-erva Core

Shared Fabric library providing text, registry, networking, inventory and permission utilities for AndrewImm mods.

70downloads
RoseLand SoundPad
1.21.11fabric

RoseLand SoundPad

Ru: Дополнение, обеспечивающее совместимость с модом Rose Voice и Rose Voice Sound Pad. Eng: An add-on that provides compatibility with the Rose Voice mod and Rose Voice Sound Pad.

70downloads
VoxelUI
1.21.1neoforge

VoxelUI

Modern UI framework for Minecraft NeoForge with XML layouts, MCSS styling, reusable components, theming, and developer tooling.

70downloads
Bento Util
1.21fabric

Bento Util

The general utility library from Bento Box

70downloads
Nutlet
1.21

Nutlet

A Datapack API that focus on creating Multi-block Machines. It provides schematic displays, simple enhanced /schedule, utilities for handling block orientation, UUID conversion, in‑game adjustable setting.

70downloads
Ponder lib
1.21.6

Ponder lib

give datapacks the abbility to add ponder pages (like in create mod) to items with the new dialogs in 1.21.6

70downloads