Minecraft Java 1.21 Mods
Browse 21,935 free mods for Minecraft Java 1.21 — popular picks include SecureContainers, Crystal Ban, RaidControl.
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SecureContainers
Lock all your containers easily.
Crystal Ban
A Simple and customizable Minecraft Ban Plugin
RaidControl
Plugin for raid control and effects in Minecraft.
NoEternalWorlds
A plugin for players to create nether portals that are connecting to different temporary worlds
CbeJl_3ByK
Easy mob-mute plugin for your server
Gateway Invasion!
This mod adds a collapsed dimension!
Recipe Extensions
Adds recipes for items that normally can’t be crafted
Unique Happy Ghasts
¡Makes every Happy Ghast more unique!
⚡ SHTNT | Leaf & Paper Optimized ⚡ | C4 & Remote Explosives
The most optimized TNT plugin for 1.21.4. Zero lags, C4 mechanics, Remote detonators
ElytraPity
Let players claim an elytra if they've traveled too long without finding one.
Wither Debris
Adds a chance for Withers to drop 1 - 4 Ancient Debris when killed by a player (not compatible with any other datapack that rewrites the wither's loot table)
Cat Stays Home
Want your cat to just stay home? Don't want to keep him sitting there forever? This mod will solve your problem! Right-clicking on your cat while crouched will allow you to toggle his behavior, allowing or disabling him from teleporting to you.
PintoManhunt
PintoManhunt is a Minecraft plugin for running customizable Manhunt games, inspired by the popular speedrunner vs hunter challenge. It supports multiple games at once, flexible roles, and integrates with Minecraft advancements and worlds.
Force it!
Adds a "World Anchor" block that forces chunks to be loaded even without a player present.
CommandActions
Fine-tune your server however you want
To The Peak
A remake of the popular climbing game using only commands!

Limited Slots
Datapack that gradually removes your slots
Muddles
An early version of a mod consisting of my mcreator experiments
SlowFallingTNT
Makes TNT fall slowly
Harness utilities
Datapack that adds 2 new enchantments to the happy ghast harness.
Cupper stuff by Dumkr-
Adds new copper recipes and tools. Tools and armor have interesting bonuses, and a new weapon has been added - the Lightning Staff!
Portable Workstations
Allows you to spawn in temporary workstations for everyday needs!
World Evils
This project adds the world evils from terraria!
Sinplem-Combat Mode
在Minecraft Fabric 1.21.11 版本中新增了战斗模式 / A combat mode has been added in Minecraft Fabric version 1.21.11
Iron To Diamond Gear Using Block
Allows iron tools to be upgraded to diamond ones in the smithing table using a diamond, Based on the original Purpur Pack.
Beekeeper
A Mod that adds a beekeeper's toolkit - a protective outfit and a smoker - so you can work with hives and bees without getting swarmed.
RPG PLUGIN
Create a highly detailed RPG-7 weapon mod. The weapon is based on a crossbow and fires explosive rockets instead of arrows. Rockets create a large explosion on impact, destroying nearby blocks
Revamped Trident
A Datapack that changes the Trident to behave more like a distance weapon.
NPCSpeak
AI-powered Minecraft NPCs that actually negotiate, persuade, interrogate, and quest, not just chat.
Speech Heads
A mod that adds text bubbles above the players head.
technis
TECHNIS is a voice-activated AI assistant for Minecraft 1.21.4 - like Jarvis. Speak to the mic, TECHNIS sees your inventory, health, mobs, and replies with speech. Animated orb HUD, proactive alerts, info panel, in-game config. Requires Groq API key.
Smat Ladders
Place entire ladder columns with one click. Break them the same way.
AKoth
A premium, next-generation King of the Hill plugin featuring a in-game GUI editor, customizable loot tables, and massive event spectacles.
NoreStages
Datapack-driven progression stages for increasing player and world difficulty with individual mob attribute altering
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.

Rgb Dye System
introduces a complete RGB dyeing Gui system with five dyeable block variants, an advanced Dyeing Station supporting HEX, RGB, and HSB color inputs, and dyeable crop farming for red, green, and blue dyes