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Minecraft Java 1.21 Mods

Browse 225 free mods for Minecraft Java 1.21 — popular picks include 1.21 GameRules Restore, AtomicsLib, CacheUtils.

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1.21 GameRules Restore
1.21.11

1.21 GameRules Restore

1.21 GameRules Restore brings back the original behavior of selected gamerules from version 1.21 that were changed in Minecraft 1.21.11. This allows servers to keep the old mechanics without downgrading the game version.

66downloads
AtomicsLib
1.21

AtomicsLib

This is a library datapack which adds all the annoying things you end up making everytime.

66downloads
CacheUtils
1.21.4fabric

CacheUtils

A client side debugging tool for data pack and mod developers alike that adds commands for interacting with the texture cache

65downloads
MysticLib
1.21

MysticLib

Core shared library for all Mystic Minecraft plugins — provides database pooling, logging, plugin registry, and utilities.

63downloads
twinkle popo mod
1.21.4neoforge

twinkle popo mod

it adds twinkle popo realistic pikachu and realistic hellokity

63downloads
PaperZ
1.21

PaperZ

Plug-in for notes!

63downloads
FurnaceEditor
1.21

FurnaceEditor

A collection of powerful in-game editors to manage crafting and smelting recipes effortlessly. Create, edit, and delete recipes via intuitive UIs without ever touching a config file.

62downloads
Helios Core
1.21

Helios Core

HeliosCore is the foundation plugin powering the entire Helios ecosystem, providing shared services for storage, permissions, messaging, licensing, player profiles, and the live web dashboard used across all Helios plugins.

61downloads
DiscordSynkLeaderBoard
1.20

DiscordSynkLeaderBoard

DiscordSyncLeaderboard is an advanced Minecraft plugin that provides a complete leaderboard system with global stats, Discord synchronization, animated holograms, and web dashboard control.

61downloads
MysticPlaceholders
1.21

MysticPlaceholders

A standalone Minecraft plugin for creating custom placeholders with PlaceholderAPI integration, Skript support, and MySQL/MariaDB storage.

61downloads
OpenRouter Chatbot
1.21.8

OpenRouter Chatbot

OpenRouter Chatbot is a powerful and highly configurable Spigot plugin that integrates the OpenRouter AI API into your Minecraft server.

61downloads
StorageManager API
1.21.1fabric

StorageManager API

An API for manage storage systems in Minecraft backends

56downloads
LuaCraft
1.21.4

LuaCraft

LuaCraft embeds LuaJ into Paper/Bukkit servers, providing developers with a lightweight, fast scripting layer without the complexity of full plugin development.

52downloads
The Complete Qur'an
1.21.10

The Complete Qur'an

The Complete Quran as Written Books! 114 chapters, 6,236 verses in 133 beautifully formatted written books. Single command installation.

49downloads
ServerBenchmarkPro
1.2.1

ServerBenchmarkPro

Advanced Minecraft server benchmark plugin with Antutu-style scoring, CPU throttling test, and live ActionBar performance analysis.

46downloads
RatsCurrencies
1.16

RatsCurrencies

A Simple Custom Currency Plugin Which Adds A Shop And A Currency Distribution System For Your Server. This Also Helps To Save The Memory And CPU Usage Which Are Overused In Another Currency Plugin. This Has Very User Friendly Interface [1.18+]

45downloads
AuctionX
1.18

AuctionX

A modern, fully customizable auction house plugin with per-rank limits, MySQL/SQLite storage, PlaceholderAPI & Discord integration, and a fully editable English messages.yml.

44downloads
iammojogo's Uncrafting Mod
1.21.11forge

iammojogo's Uncrafting Mod

This mod is a mod that allows users to uncraft crafted items to gain back resources from items they don't need and don't want to throw away or burn.

42downloads
Config Hub
1.21

Config Hub

USH-Universal Config Hub is a web dashboard for editing all Paper plugin configs. It validates changes, shows reload requirements (hot, plugin reload, or server restart), and safely migrates old versions with backups.

42downloads
NextLib
1.16.5

NextLib

Build Minecraft Plugins The Easy Way

41downloads
MaxProtections
1.21

MaxProtections

The best protection plugin with menu +

40downloads
PerInfo
1.21

PerInfo

PerInfo is a robust utility plugin developed for Minecraft 1.21.1. It was designed to provide total transparency regarding commands and permissions, while transforming the chat experience through dynamic, real-time sharing of items and player status.

38downloads
Territory API
1.21.1fabric

Territory API

API for creating and managing in-world regions with efficient tracking, persistent storage, and simple enter/exit/tick events for gameplay mechanics like zones, arenas, and protected areas

36downloads
Voidcantation
1.21fabric

Voidcantation

This mod is made using fabric api and tested for minecraft version 1.21. It adds three unique items to the game, the void pocket, the phase dagger and the architects compass that adds some unique elements to the game.

35downloads
KNLibs
1.20

KNLibs

KNLibs is a lightweight, high-performance core library required for all KN Projects plugins.

33downloads
Kaze's Kit Setup
1.21.11

Kaze's Kit Setup

A datapack that adds the ability to create and load kits withoout using mods.

32downloads
SyAPI
1.21

SyAPI

Provides some obscure APIs for the development of other plugins

31downloads
GideonLobby
1.21

GideonLobby

A modern and modular lobby framework built for Paper servers.

26downloads
Kit Manager
1.21.11fabric

Kit Manager

A Datapack that lets you save your inventory into a kit to then load it later down the line!

24downloads
Datapacks Menu
1.21

Datapacks Menu

Inspired by the ModMenu mod but for datapacks..

22downloads
Modins
1.21.1fabric

Modins

Modins is a mod for mod development; it copies mods currently loaded in Fabric memory. This helps identify which mod might be causing crashes, allowing you to fix the issue or submit a report to the mod creator.

20downloads
PermsCraft
1.21

PermsCraft

Minecraft Advanced Permission plugin

17downloads
UltraTrackStats
1.21.4

UltraTrackStats

UltraTrackStats is a Bukkit/Spigot plugin that provides a centralized player statistics tracking system (kills, blocks, and more) accessible by any plugin via a simple public API.

17downloads
CobbleFight
1.21.1fabric

CobbleFight

A dedicated ELO Battle system for Cobblemon

16downloads
Decorative Core Mod (1.21.1, 1.20.1) – The Base for Cool Chests
1.21.1neoforge

Decorative Core Mod (1.21.1, 1.20.1) – The Base for Cool Chests

Decorative Core Mod provides the essential code for other decorative storage mods to work correctly. It is a required library that supports mods in the Decorative series, like Decorative Storage. This mod runs in the background and does not add any of its own blocks or items to the game. Features: Acts as a required […]

ShetiPhianCore (1.21.1, 1.20.1) – The Core for Many New Mods
1.21.1forge

ShetiPhianCore (1.21.1, 1.20.1) – The Core for Many New Mods

ShetiPhianCore is the core classes all ShetiPhian's mods use. It must be installed or ShetiPhian's mods will crash. Mods using this core: EnderTanks Illumine Miscellaneums MultiBeds MultiStorage PixelPowers 2 Platforms Terraqueous Features: Acts as a core library containing shared code for other mods. Prevents game crashes for mods that require it to run. Supports a […]