Minecraft Java 1.21 Mods
Browse 22,192 free mods for Minecraft Java 1.21 — popular picks include Fluid Flow Controller, NewChat, Cluck.
Updated daily
Fluid Flow Controller
FluidFlowController is a lightweight Fabric mod designed to completely disables water and lava flow, along with their block updates and scheduled ticks.
NewChat
NewChat adds per-group chat styling (prefix/suffix/custom format), color gradients (name/prefix/full)
Cluck
Makes all mobs look like chickens
Every Mob Has Levitation!
This mob applies levitation to every mob except the player!
VelocityShield
Protect your Velocity proxy server from VPN users with advanced detection and caching
Hold Your Enemies Closer: Unbound
Remove mutual exclusions from HYEC and vanilla enchantments
Phantom Plating
Gives Phantoms a reason to exist.
Chickenfix
A really hacky workaround for chickens suffocating when growing in a 1x1 space, designed for my fox-based chicken farm (temporary fix for MC-9568)
Training Bot
Training Bot is a PvP training plugin developed for Practice servers. It creates a configurable Citizens NPC that appears as an AFK opponent.
SelectiveMilk
Tired of losing your hard-earned positive buffs from a single bucket of milk? This mod makes milk only clear negative effects, keeping your buffs safe!
Origins: Tortugan
Origin datapack that adds the Tortugan, an origin based on the Turtle.

Better Armour Progression
All iron and diamond armour are pretty easy to make, right? Well now they require leather armour to craft it! Iron helmet require a leather helmet. Diamond boots require a leather boots. etc.
Wavey clothes
Make your clothes realisticly blow in the wind! Just be careful with the settings.
Battle Music Crescendo
Mod that adds background music when fighting hostile mobs and players and more
About Teleport
Help you solve issues about teleport.
MaxStaff
The best moderation plugin you can get
DungeonRefresher
Automatically regenerates loot in chests, barrels and vaults with custom cooldown and vanilla loot table support.
No player locator bar
Deletes the player locator bar, so no one can see where are you
Archerychants!
Adds 5 new enchants to do with the cross/bow! An early version of an epic archery enhancement mod, to be fully developed in the next month!
Tools Durability HUD
Tools Durability HUD is a mod that displays the durability of your tools directly on your screen. No more opening your inventory to check how close your items are to breaking — all the important information is always right in front of you.
I Want More Hotbars!
Welcome to the I Want My Hotbars Mod! it adds an extra hotbar for the main hotbar by clicking G! isnt also compatible with 1.21.11, since it was not made for it.
Lethal Breed
Adaptive predators that break through walls and build bridges.
PVP-PVE Leveling System
Get rewarded when levelup with xp gained from players and mobs
Arda's Special Abilities
A very small mod that allows the user to have a few features.
Peaceful Life
Locks the world difficulty to Peaceful for cozy modpacks and or simple Peaceful worlds.
Privacy Chest
Simple, secure, and GUI-based chest protection with password and trust systems
Void Beast
A mod filled with whatever I felt like adding at the moment! With a focus on exploration and collection, I'm sure there's something in the mod for you. If not, yeah that's fair.
CustomDayNightTime
Precise server time control allowing independent day and night duration settings in real-time seconds.
Aries SMPStart
Aries SMPStart Is A Simple Plugin Used To Manage The Start Of SMP!
Chips
A simple mod that allows for a sub-grid of blocks for finer details in builds.
Scrub Life Helper
A server-side mod that adds support for a life system based off of Grian's Last Life series.
TECHNAETHER
Aesthetic and refreshed. Focused on exploring The Aether and creating steampunk inspired mechanism
FishMating
Bring your underwater world to life by letting fish breed naturally when players throw seeds into water! 🌊🐠✨

Many Lifes
This datapack adds adjustable hardcore. That is, it adds the ability to set how many lives it takes to completely die

Remove End
Teleports any player who attempts to enter the End dimension back into the Overworld.
GuestMC
A Plugin that makes everyone that join into spectator mode and excludes the people you want from the spectator mode