Minecraft Java 1.21 Mods
Browse 260 free mods for Minecraft Java 1.21 — popular picks include Music Collection - Just Shapes & Beats, Spud Slingers, Discord Sync.
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Music Collection - Just Shapes & Beats
Adds a new musical experience, New Fragment + New Record Mold + New Structure "Music Shack" + 15 New Records! + New Crafting + New Achievements + Secrets...
Spud Slingers
Potatoes (cannon) galore
Discord Sync
A simple plugin that allows you to synchronize the in-game chat with a Discord chat
Auto Logout
A mod that automatically kicks yourself from server once a player gets in range of blocks that u set, allows u to afk farm and play safe.
Duplicating Table
This mod lets you duplicate anything you want by using a duplicating table.
cherri's Minesweeper
Fully functional, customizable, multi-dimensional Minesweeper in Minecraft.
time control mod
Adds new time control tools!
T.error
T.error adds a terrifying entity that stalks you, sends creepy messages, and corrupts your world, turning Minecraft into a true horror experience.
Shared Inventory (NeoForge)
Sync your inventory with friends in real-time!
Prehistorum
A mod that adds paleontology, prehistoric creatures and more to Neoforge 1.21.1
Magnetizing
Adds items and blocks based around magnets

Sandblast
Make glass in a blast furnace!
BackPackSSS
Custom tiered backpacks with progression crafting, upgrade system and persistent storage — designed for survival servers.
Create: Meat Blocks
Brings back Meat Blocks from MineFactory in a new, Create style! Features the slaughterhouse, ingots, straws, and baconator (autofeeder). Create your own meat processing plant today!
Easy Freezing
A mod that allows you to Freeze Time around you at will! Try with multiplayer and things get confusing fast!
Better Than Fireflies
This is a mod that takes the lazy vanilla drops like fireflies and instead adds actually needed features, transforming an innocent children game into grindy nightmare (still in alpha).
Everything Slime
This mod makes every block in Minecraft bouncy, like slime.
Stellar Depths
Drift through cosmic emptiness. A space exploration mod built around scale, silence, and the unknown.
Google Gemini AI God
a free-tier google gemini based version of the ChatGPT minecraft roleplay bot with some additional upgrades.
Espoir SMP
The plugin's twist is ⚙️ How the system works: 🧿 You start with 3 souls. 🔻 Each time you die, you lose a soul. 💀 At 0 souls, you become a ghost: spectator mode for 24 hours. ⚔️ Kill a player → you steal one of their souls, if you don't already have all
stand alone player tracker
a stand alone player tracker to the game mostly for man hunts
SCP: Genesis
Add SCP's and more to Minecraft

Transgressive
This small mod adds a transgressive energy from which you can make a kind of multitool: a metamorphosis instrument that can become any instrument.
Minecraft But EVERY Mob Explodes!
Pretty much"Minecraft but Every Mob Explodes" lol
Made In Heaven
Accelerate time, just like from JoJo's!
Custom Randomizer - Ultimate
Ultimate drop randomizer plugin

Lunge On A Mace?
Lunge on a Mace? this plugin make the mace have a super power
Carpet AMS Addition: NeoForged
Unofficial Carpet AMS Addition Mod port for NeoForge
InfiniteLavaSourceX
A plugin that makes lavasources infinite like water.
Touch the grass
A timer after which you'll have to go outside!
Team-HomeGUI Plugin
A lightweight team system with team homes, private team chat, personal homes, and a clean home GUI
mc mod #5830536
A small datapack meant for small casual worlds with some custom items, some changed/new game mechanics, and more. Hell.
Overworld 2 (old crystal sword)
Added new dimension and more!!!!
Glacier Players
Mannequins that are designed to mimic real players in a server.
Drag Things
Dragging! Yes, not gonna lie!
GUI Fixer
Allows you to move slots in GUIs wherever you want