Minecraft Java 1.21 Mods
Browse 1,108 free mods for Minecraft Java 1.21 — popular picks include S3 Backup Mod, CyberWorldReset, MultiblockEngine.
Updated daily
S3 Backup Mod
Server-only Fabric mod for Minecraft 1.21.8 that automatically zips your world and uploads it to Amazon S3 on a schedule.
CyberWorldReset
Easily reset a world with a scheduler or a specific time/date and more!
MultiblockEngine
An advanced multi-block structure system
Kilacraft-AI
The first plugin that gives every server an AI Agent that understands you better the more you use it
CptSDX23's Storage
Organized and searchable storage in Minecraft!
NLYB: Looting and Exploration
Shrink and store entire dungeons, temples, and villager houses then loot them safely from your base. (Never Leave Your Base)
RelishDeath
[Huge updates and improvements🪦] ⚰️ Advanced Death Inventory Protection • Graves • Holograms • Particle Trails • PVP Grave • Player head
Copper Golem Patch
Copper Golem Patch gives every golem a persistent memory of which chest holds what, lets them gossip with nearby golems to share that knowledge, and makes them put down unsortable items instead of carrying them forever, sorting that actually scales.
ItemSave
A plugin to save items in Minecraft.
Clear Chat Command
plugin that clears only your own chat with one command
Create: Into Wind
This mod pack implements a load of create mod add-ons with create: Aeronautics as the focus. It also adds various other mods such as farmers delight and sophisticated backpacks for quality of life.
Lootr-DeathChest
Automatically creates a chest at the player's death location to safely store their items. Simple, lightweight, and Lootr-plugin compatible.
XP-Book
Store your experience in a written book for Minecraft version 1.21.11
P_Caixas
Caixas customizadas Custom boxes
MaxStaff
The best moderation plugin you can get
AdvancedBanPunishAddon
AdvancedBanPunishAddon - Simple and clean addon for AdvancedBan!
Quick Stacker
Automatic inventory management plugin that quickly deposits items into containers and sorts storage with simple click actions.
EchoFrame
This Modpack is lightweight and actually optimizes your potato without any useless mods that take up storage.
Crafted Stats
Minecraft Plugin that shows Server Stats in-game
Liquid Experience
Turns your experience into liquid! If you've ever wanted a way to store your experience without needing to go through many tech mod steps, this is for you! Downloads "Fluidic Tanks" alongside this mod.
AntiLag-Klz
Antit Lag Klz Stop All Lag And Others....
Iron Batteries
Adds a variety of batteries for your energy storage needs. Connect them into a smart network with I/O ports and scalable multiblock monitors.
SF-Cargo
This project is a small standalone reimplementation/tweak of the Slimefun-style cargo network concept for Folia/Paper servers. Its an advanced form of item transport pipes.
MyLogin
MyLogin is a lightweight authentication plugin for Minecraft servers. It provides secure password-based login, strong pre-login protection, IP-based auto login.
DiskScanner
DiskScanner - a minimalistic plugin that will show the weight of folders on your server using one command.
JustPlugin - All in One Management Plugin
Lightweight all-in-one essentials plugin for Paper, Purpur, and Folia 1.21.11+. Economy, teleportation, moderation, jail, kits, vaults, ranks, database storage, and 159+ more commands — all in a single configurable JAR.
Cobblemon Ball Satchel
Cobblemon Ball Satchel is a quality-of-life addon for Cobblemon on Fabric 1.21.1. It adds a dedicated satchel that stores your Poké Balls, keeps your inventory organized and lets you switch Ball types without filling your hotbar.
MyHomesX
MyHomesX is an advanced and highly configurable homes plugin for Spigot / Paper servers, designed to provide a smooth, secure, and professional experience for players, staff, and Minecraft networks.
Subnautica Internal Modules
Subnautica... In minecraft.... In minecraft!!!!
Create+ Modern
Create Modern is a streamlined Minecraft 1.21.1 NeoForge modpack focused on Create, automation, and rail transport. Featuring Steam 'n' Rails, advanced storage solutions, performance optimizations, and essential quality-of-life mods, it provides everything
LoxyCraft
A lightweight utility mod adding compressed blocks, custom utility components, and small vanilla quality-of-life recipes.
Atoms in Java
This project brings chemical elements from Minecraft bedrock (still beta)
FlezerBoxes
A high-performance crates plugin featuring ultra-fast 2-turn animations, HEX-colored rarities, unique Rune mechanics, and interactive global broadcasts.
Corex
Modern, Paper-exclusive compiled scripting engine
Log Block Tool
LogBlockTool logs block breaks, placements, container transactions, and player interactions on a Minecraft server. It’s lightweight, fast, and designed for Paper/Spigot with SQLite or MySQL support.
SuperDuperWhitelist
More than just a whitelist plugin