Minecraft Java 1.21 Mods
Browse 198 free mods for Minecraft Java 1.21 — popular picks include Nova's Music, 3D Model Datapack Template, MapProtect.
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Nova's Music
NovaMusic - Bring the entirety of YouTube and SoundCloude into Minecraft. Import playlists with a single link, organize your library, and listen to your favorite tracks in-game without any performance drops.
3D Model Datapack Template
This is an template used to add 3D models to your game via heledron's text display model generator (by SyanicXD)
MapProtect
MapProtect is built to work alongside automated map rotation systems, allowing FFA servers to maintain clean, reusable arenas without requiring manual resets.
LuaCord
Write real Minecraft plugins in Lua. LuaCord is a modern fork of Lukkit, rewritten in Kotlin with full Paper compatibility.
Void Pressure
A flexible NeoForge framework for modpacks, providing a global pressure system to trigger fully configurable events.
Ultrabright Lib
Adds support for light levels above 15.
Chest Door Lock
Lock is a lightweight and multiplayer-friendly Minecraft datapack that allows you to easily secure your items and structures.
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.
JS Runner
The plugin aims to add the ability to run JavaScript files in a Minecraft server.
MCBoard
Panel up, No setup.
SimpleCore by Cooshh
A shared core library for Simple mods, providing common systems like economy support and shared utilities.
Enemy Tracker
Time to Detect the Threat and Enemies!
Extender
Minecraft Command length Extender & Minecraft Custom Function Runner.
Ponder lib
give datapacks the abbility to add ponder pages (like in create mod) to items with the new dialogs in 1.21.6
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.
Pivot Poly
PivotPoly is a powerful Minecraft plugin designed for creators, builders, and server owners who want to bring their builds to life with high-fidelity, smooth-animated mechanical structures.
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.
Ultimate Step
UltimateStep is an all-in-one Paper server management plugin featuring a powerful rank system, configurable scoreboard, customizable tablist, and complete punishment tools including warn, mute, ban, kick, unmute, and unban. Lightweight, modern, and easy
OpenRouter Chatbot
OpenRouter Chatbot is a powerful and highly configurable Spigot plugin that integrates the OpenRouter AI API into your Minecraft server.
Kit Manager
A Datapack that lets you save your inventory into a kit to then load it later down the line!
ChatManager-Core
ChatManager-Core is a library for working with Minecraft chat
Claude Code: Rate Limited
A Fabric mod for Minecraft 1.21.1 that adds Claude Code enchantments, token limits, rate limiting, item recovery, loot-based enchanted books, achievements, and the Claude Terminal.
PlayCustomSounds
This project allowed owners to add new disc to their server
P_TopJogadores
Top Players via placeholders, NPC support, and holograms.
PlugLoader
It is a plugin framework that enables the creation of dynamic and modular systems on Minecraft servers. It simplifies the process of adding new features to the server and allows for the quick management, activation, and deactivation of systems. (BETA)
Player Utils
This Is A NeoForge mod for Minecraft 1.21.1 that adds utility commands for server administration.
BoostSync
Reward your Discord Nitro boosters in Minecraft with automated, verified rewards. BoostSync links accounts with a one-time code, grants a renewing 7-day booster rank while they keep boosting, and offers once-per-season reward claims.
NxControl
NxControl is an advanced staff plugin that lets OP players control players or mobs using simple keybinds, with GUI, bossbars, and freeze system built-in. It’s lightweight, powerful, and perfect for moderation, trolling, or cinematic gameplay.
NxRestrict
NxRestrict is a powerful GUI-based Minecraft plugin that lets you easily enable or disable gameplay features globally or per player. It provides real-time control with no restarts, using a clean interface and instant enforcement.
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.
TOU
Now you can craft Totem of Undying.
NxFreeze
NxFreeze is a lightweight staff plugin that allows admins to freeze/unfreeze players using commands or an easy GUI.
DialogAuth
Lightweight minecraft auth plugin with DialogAPI support
KrepAPI (Plugin)
Run server commands when a player presses a key- configured in a simple YAML file, no programming required.
Econics
Econics adds a flexible multi-currency system to your Minecraft server. Create custom currencies with MySQL/SQLite support and a simple developer API.
InfinityCore
Library used in InfinityGroup Plugins for compatibility and optimization development.