Minecraft Java 1.21 Mods
Browse 531 free mods for Minecraft Java 1.21 — popular picks include locked keys Plugin, REST HTTP API, Report list.
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locked keys Plugin
Server-side plugin that controls player inputs and camera using the BlockKeys mod.
REST HTTP API
A Minecraft Paper plugin that allows executing server commands and get various information via HTTP requests. Perfect for integrating external tools, web dashboards, or automation scripts with your Minecraft server.
Report list
A lightweight and efficient reporting system for your server. It allows players to report rule-breakers and features a clean, interactive chest GUI for staff to easily review and manage those reports.
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)
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.
HardObtainment
This project adds hard more balanced crafting recipes to Minecraft. So far here is the crafting recipes we have changed: Mace
P_TopJogadores
Top Players via placeholders, NPC support, and holograms.
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.
ProgressionBoarder
Powerful zone/border control—restrict, protect, and guide players with clear rules and feedback.
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.
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.
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.
HttpChat Python chat, Linux chat
A mod that adds the ability to send messages or commands to the chat on behalf of the player directly from any programming language or console.
NextLib
Build Minecraft Plugins The Easy Way
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.
ChatManager-Core
ChatManager-Core is a library for working with Minecraft chat
Loom
Install and configure every plugin from one web panel.
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.
Slipstream
Ultra-fast, zero-allocation packet framework for Paper 1.21+. Coroutine-first, ProtocolLib-style API for modern Kotlin developers.
NxFreeze
NxFreeze is a lightweight staff plugin that allows admins to freeze/unfreeze players using commands or an easy GUI.
KrepAPI (Plugin)
Run server commands when a player presses a key- configured in a simple YAML file, no programming required.
TOU
Now you can craft Totem of Undying.
QinhCoreLib
Shared core library for the Qinh plugin suite. Unifies item sources (CraftEngine, ItemsAdder, Nexo, MMOItems, MythicMobs & more), attributes, custom-block & model bridges, and scripting. Required by QinhItems, QinhSkills, and other Qinh plugins.
ErebusHeads
get all and any ones head/skull! simply type /eh <players name>
ZeresClient
Mod ZeresClient for Server Minecraft
Econics
Econics adds a flexible multi-currency system to your Minecraft server. Create custom currencies with MySQL/SQLite support and a simple developer API.
DialogAuth
Lightweight minecraft auth plugin with DialogAPI support
Enemy Tracker
Time to Detect the Threat and Enemies!
ClickPoint
A data-driven GUI mod that supports native gif rendering and designed to be intuitive and approachable.
Player Utils
This Is A NeoForge mod for Minecraft 1.21.1 that adds utility commands for server administration.
InfinityCore
Library used in InfinityGroup Plugins for compatibility and optimization development.
PixSystem
PixSystem It is an add-on that manages the server from deleting abandoned stuff and protecting the server from spawn and other additional things
Kaze's Kit Setup
A datapack that adds the ability to create and load kits withoout using mods.
System Interactions
Adds safe server-triggered system dialogs and Windows notifications
VRX AntiCheat
VRX AntiCheat protects both standalone servers and full Minecraft networks with a powerful, performant, and highly configurable anti-cheat system.
KNLibs
KNLibs is a lightweight, high-performance core library required for all KN Projects plugins.