Minecraft Java 1.21 Mods
Browse 125,417 free mods for Minecraft Java 1.21 — popular picks include cPMW, FoliaNPC, Clear Flames.
Step by step: How to install Minecraft Java mods & modpacks
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cPMW
there is create sodium pmw dynamic trees and more.
FoliaNPC
Create your own NPC and give custom commands and skins!!
Clear Flames
Make the first-person fire overlay less obtrusive by lowering its height on screen.
Main Hand Hotkey
A customizable hotkey to switch main hands instead of going in skin customization
PvPArea
Enables keepInventory and keepLevel within a defined area.
Cobblemon Fierce Competition - Extras
Stuff that didn't quite fit in the original datapack
Survival Reworked
This mod adds many custom ores, tools, armor sets, and items to the game
Skateboard trickster
This mod adds a skateboard to the game which can be used for moving fast and it can be used to perform tricks as well.
Structure Configurator
Adds structure search, spacing, and safety configs.
Litematica Chest Supplier
Highlights chests containing materials needed by the current Litematica schematic and can automatically take the required items.
Ultimate Client ModPack
This project is a Minecraft 1.21.11 modpack that includes all the necessary and fun client-side mods.
FLESH & ASH
Uncover the horror of the Flesh and Ash. Face an evolving army of bloody zombies and strange grey leaders!
Aeroships
Helpful mods for the Aeronautics mod.
Auto Server Names
Stop naming every server "A Minecraft Server". This mod auto fixes that.
Simply Fast Mods
This mod pack contains a few mods that are more than enough to play without any performance errors and losing the vanilla experience. This is certainly the Vulcan version.
Where is Trail Ruins?!
Changes the texture of blocks used in trail ruins.
AceRooms
Add pvp rooms to your server
AtlantMC
A vanilla+ Minecraft modpack focused on visuals, animations, and world generation while still keeping the classic survival feel.
Killers
This Is A Manhunt Modpack... It Has A Ton Of Structures, Create Mod, Guns,Create Aeronautics, More
Project: Shiba Modpack
This contains everything you need to play on the Project: Shiba server! Join us for our 1.21 Pixelmon experience!
Disable Slime
This datapack disables the spawning of slime in your world. Mostly made for modded modpacks.
Precisely Optimized
High Performance Fabric Modpack
Damage Indicator [1.21.3-26.1.2]
Display mob's health change (damage/heal) as a hologram.
Cobalt Material Mod
This project adds Cobalt as a material used in the game. It is intended to be better than diamond, but not quite as strong as netherite, while also giving its own benefits. Hope you enjoy!!
FerrumCraft ResourcePack
This resource pack add's custom models to your world. Models currently include custom currency: Copper, Silver, Gold, Platinum coins, as well as Ability Boost scrolls for wizard games. Strawhat included! More to come.

SpyDeathMessages
An advanced, fully customisable death messages plugin for Minecraft servers Replaces the vanilla death message with your own styled chat lines, action bar messages, titles, and subtitles with full hex colour
Trash Plugin - ElMarcels
A simple /trash plugin. A plugin by ElMarcels
Minecarts with Blocks
put a block in a cart! survival friendly!
zMPvPRooms | Advanced PvP Rooms & Clan Wars [1.19 - 1.21]
Highly optimized PvP room system with duels, FFA (2v2, 3v3, etc..), and clan wars.
Area Selector V1
A client-side utility mod for visualizing large-scale farm and mining areas by generating customizable 3D highlight boxes between two diagonal coordinates.
OP ORE
This Plugin makes ores op , the rarer the ore, the more overpowered the item you receive. Enjoy :)
AuricPass - Battle Pass Seasons
Fully customizable and 100% professional battle pass plugin! seasons, levels, bonus reward levels, PAPI compatibility, and more.
Renewable Deepslate
Replace water and lava generating Stone and Cobblestone with Deepslate and Cobbled Deepslate if under Y level 0
TimoshQ's Brick Tweak
Tweaks the brick recipe to give 4 blocks instead of 1
Extra Wood Blocks
The mod adds full decorative sets of different blocks for all types of wood
OpenPaC BlueMap - Updated
This mod will show land claims from the Open Parties and Claims mod in the maps from the BlueMap mod.