Minecraft Java 1.21 Mods
Browse 127,521 free mods for Minecraft Java 1.21 — popular picks include sky itadori yuji, BronzeMaceLimit, Faster Rockets Mod.
Step by step: How to install Minecraft Java mods & modpacks
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sky itadori yuji
changed sky overlay minecraft java edition

BronzeMaceLimit
This plugin add limit for craft mace - 1 mace on server
Faster Rockets Mod
This mod adds rockets, which are basically faster fireworks
LegendSmith
A pack that allows item customisation! Adds custom weapons from games like LoZ, FF, XC2, and more! (mainly ssbu lol)
Booked
Gives books a held item model.
BGMSync
Background Music Sync: all players have synced music, perfect for group sessions
Painted Realms
This pack replaces some in-game paintings with iconic, historical, and artistic masterpieces, bringing a touch of real-world art into your Minecraft world. All artworks are carefully selected to enhance your creative experience.
EventEngine
Utilities For Hosting Events
Remove Italics
No more italics in renamed items' names!

short swords recolored
this texture pack changes the texture of the swords and shortens them and recolors them
Expected
Expected is a modification for Minecraft focused on the selective reworking of various game mechanics.
Copper Hopper Texture Fix
Fix for the texture issue in the Copper Hopper mod
ActiveEnchantmentsLib
A small lib that allows your enchantments to apply in the player's inventory and provides few utilities
UpdateDisplayName
Updates the player displaynames and tablist names to a specified format. Supports MiniMessage, Luckperms, Vault, PlaceholderAPI. Developer API available.
Death Coordinates Viewer
Get coordinates before you die.
Particle Packs
Add your own custom particles with a resource pack.
Don't Disconnect
Prevents you from accidently disconnecting by swapping the disconnect and return to game buttons!
MLG with meme songs
A client-side Fabric mod that automatically plays dynamic, custom audio tracks whenever the player successfully executes a high-altitude MLG clutch to negate fall damage.
Chat Stacks
This mod makes repeated chats clean. What I mean by this is that if your friend is spamming something it makes it go x2, x3, x4, x5 and so on
OP Structures & Dungeons
Transforms every vanilla structure into an overpowered version with valuable blocks, upgraded loot tables, and massive rewards.
[MTR4] BB 26000
The fabulous BB 26000 (a french train) in Minecraft !

Simple PvP Pack (Kay_Ghost's)
Simple PvP Pack. A clean, lightweight resource pack built for PvP.
Create:Tuff (port)
simple Create: Tuff for 1.21.1 | 100% customizable recipe for tuff
Luca's Killtoken Plugin
The plugin kildtoken drops a custom currency item when a player kills another player. It includes a pair-based cooldown to prevent farming and allows setting the currency item via command.
Create Aeronautics X Copper Old Stuffs
Makes the Create Aeronautics copper textures reflect the old create ones
Copycats Are Too Heavy
Reduce Copycats block mass to 1/4 for Sable
Visible Powder Snow and Cobwebs
A resource pack that makes Powder Snow and Cobwebs more visible.
ONYX Lightsabers
Changes The Vanilla Sword Textures To Lightsabers
RelishAuth
[Update: Player Skin Support + Full Premium UUID Support] 🔐 Advanced Authentication System for Velocity Proxy Servers
DappleLib
Adds reusable code to reduce modding workload
Connected Sculk
Resource Pack that allows sculk veins to be connected.
Cows Plus Plus
Now cows can have ears and tails how awsome!
One Block Random Challenges
This Plugin Gives You Many Exciting Random Challenges Specially Made For ONE BLOCK However This Also Works On Normal World Just Install it And Enjoy I've also made a Separate Survival Challenges Plugin Check out my profile to find That Thanx for download
SafeZones
SafeZones is a Minecraft Paper plugin that lets you create custom PvP-free regions with adjustable sizes, splash messages, and full admin control.
WorldgenTweaks
A small collection of worldgen tweaks
SpawnerShop
A feature-rich, GUI-based spawner shop plugin for Minecraft servers.