Minecraft Java 1.21 Mods
Browse 422 free mods for Minecraft Java 1.21 — popular picks include WorldSystem, StorageSystem, Logout Dummy.
Updated daily
WorldSystem
Give players the ability to create their own world to play on, without using different servers. (per player worlds)
StorageSystem
A simplified plugin version of Applied Energestics 2's ME storage networks
Logout Dummy
A NPC dummy represents offline players, showing their skin and carrying their gear.
Relocators
Craft Relocators to pick up and move containers such as Chests and Gamemode 4 Machines.
Mini 1.21 Loot Farms
Extension pack for Mini Factories! Containing: 1 Mini Wind Charge Farm and 2 different Mini Vault Loot Farms to get a bigger reward after finishing a vault run!
Simple Batteries
Adds upgradeable battery blocks.
kLocks
kLocks let's you lock chests, barrels, etc. easily!
Shimmer - Uncrafting Table
Shimmer is a data pack inspired by the Shimmer liquid in Terraria. It enables players to uncraft items whether in vanilla or modded gameplay, only by dropping them into a source water block near the bottom of the Overworld.
Ender Sender: Remote Block Depot
A mod which lets you move items straight to your inventory as you use them up, coming from a special kind of chest.
Lockable
Adds locks and keys to allow players to protect their items, or steal from others.
Strength 4
This mod give you strength 4 portion in your game/minecraft world this very use full to figth with you friend more damage more win
Expanded Data
Expanded Data Objects and Accessors
XaerosMapPlugin
Xaero's Map plugin is a lightweight plugin for servers using Xaero's Minimap and Xaero's World Map. The plugin prevents different worlds from sharing or overlapping map data, ensuring that every world maintains its own unique map.
EntityBatch
Entity Render Batching — sorts entities by type before drawing them so the GPU can render all cows together, all pigs together, etc. instead of switching between types randomly. Fewer GPU state switches = better performance in crowded scenes.
MaxGraves
Graves and more graves for your Minecraft server
Kindling Age
Kindling Age enhances early survival with lightweight, vanilla-friendly mechanics that make the first days more deliberate without adding grind or hard gates.
Tome of Echoes
There's no better method of storing and placing blocks!
PlayerVaults999
PlayerVaults999 revolutionizes in-game storage by offering a seamlessly integrated vault system for Minecraft servers
ManhuntX
Classic Manhunt included — but getting a bit old? Discover multiple new features and options you can enable to take your experience to the next level!
sidaHomes
A Donut SMP like fully functioned yet simple and speedy home plugin
Forming Press
Create a forming press to unlock more efficient recipes for all types of brick and charcoal.
physicsmod-liquid-bucket-addon
addon for physicsmod added new bucket tool
GravesSystem
GravesSystem replaces item drops on death with an immersive grave system that spawns the player’s head, preserves their exact inventory layout, displays a live hologram, and restores items instantly — all while remaining lightweight and highly performant.
Reforested
A Reimagining/Love letter to Forestry and Binnie's Mods for Minecraft Fabric 1.21
P_Economia
Plugin Economia! Feito para seu servidor ter a melhor economia! com varias Moedas!, Economy Plugin! Made for your server to have the best economy! with multiple Currencies!
RS Infinity Booster FIXED
A Port from the original mod fixing the infinity boosters when using it in survival
Shared Inventory (NeoForge)
Sync your inventory with friends in real-time!
The Grinding Table - Biomass
An addon for The Grinding Table that adds 20 recipes and a new item.
SpyCore
Organize your worlds, like never before. SpyCore is the modern world manager designed for server owners who are tired of server restart everytime when adds a world. SpyCore gives you full control without needing of restart.
Easy Bee
A completly new way to trasport bees with extra tweaks
StoreXP
Store the experience
BackPack Plugin
It's a Minecraft Plugin that adds Backpacks to the game. It works with all 1.21 versions, Tested on 1.21.5 and 1.21.8. Fully customizable. You can get them by Crafting, or with a command.
![UltraSpawners [LITE]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/151436.webp)
UltraSpawners [LITE]
UltraSpawners is a lightweight spawner management plugin featuring basic stacking, simple trust permissions, and economy based mob unlocking, designed for survival and economy servers.
Advanced API
AdvancedAPI provides very simple code, for example, ItemBuilder or SimpleInventory, which can be used to create things faster. ONLY FOR PLUGIN DEVELOPERS
Create addon: Info Display
Info Display is an addon for Create that adds two information panel blocks: one for Item Vault, one for Fluid Tank.
LsEnderChest
Custom virtual Ender Chest storage with safe and flexible access