Minecraft Java 1.21 Mods
Browse 22,362 free mods for Minecraft Java 1.21 — popular picks include Vampire standlone, Biomes O' Cataclysms, Instant Piglin Bartering!.
Step by step: How to install Minecraft Java mods & modpacks
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Vampire standlone
Vampire Standalone is a stylish Minecraft PvP client featuring a dark red vampire-themed UI, customizable HUD modules, and performance-focused gameplay enhancements for a smooth and immersive experience on Minecraft 1.21.11 Fabric.
Biomes O' Cataclysms
This mod transforms Vanilla Minecraft into a challenge! One by one, all biomes will be destroyed, so try to complete the game before the end of the world!
Instant Piglin Bartering!
Since 1.17, Instant Barter removes Piglins' bartering timers for faster trades!
Tamable Foxes
Turn wild foxes into loyal companions!
Space Explore
This mod allows you to explore an entire galaxy of unique planets
GK1H Recycling
Add-on for notblue's recycling mods made by GK1H.
InvisiFrames
Paper InvisiFrames adds a crafting recepie for itemframes that turn invisible once an item is placed inside. Also works for glowing item frames!
Commands++ | Next-Level Command Management Plugin
Adds an extensive list of heavily customizable and programmable commands and features to modern minecraft servers.
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
Fountain Of End
This Fountain Of End is Called Enderlings...
Epiphany - Modular Skill Tree
A Data-driven Modular Skill Tree API mod
Choose player size
This will affect the player's attributes
BrotherSMP
⚔️ BrotherSMP God Armor ⚔️ Tuff
MKT Essentials
A server-side utility mod providing many essentials tools for neoforge 1.21.1
The Broken Sber
The bank they built. The bank they hate.
RideThis
Allow users riding upon reaching a level or rank!
WeFriends
A comprehensive friend and party management system for Minecraft servers with cross-server support, built for Paper/Spigot and Folia.
Amaranthine
Harnessing the power of the sun since 2025
Metals: A Progression Overhaul
A simple, vanilla friendly progression overhaul.
Tread Lightly
Feather falling prevents crop trampling
hEnderChest
Advanced custom Ender Chest system with permission-based sizes, unlockable slots, purchase GUI, confirmation menu, PlaceholderAPI, Vault actions.
X-Rooms
A simple plugin for create Rooms pvp
Vote2Sleep
A modern, cross-platform sleep voting mod for Minecraft that allows players to democratically skip the night or clear storms through a voting system.
InPost (create add-on)
Transport items instantly between large distances with the new InPost block!
Speedy Flying Mobs
Makes speed/slowness potions work on Happy Ghasts and other flying mobs.
Barked
Get a bark item when you strip logs, wood, stem, or hyphae blocks.
Max Protection III
Caps the max level of Protection to Protection III
AeroMechanica
A high-performance Create and Aeronautics modpack. Fly custom steam-and-jet powered airships, build power grids, automate weapons, and enjoy a cozy immersive sky-exploration experience on 1.21.1 NeoForge!
Villager Breeding Tweaks
A plugin that decreases villager breeding cooldown and growing age, making villager breeding and growth faster for survival servers and SMPs.
Inventory Link
This Datapack/Mod links your Inventory with all other players, making for an interesting playtrough with your friends!
CobbleHunter
CobbleHunter is a client-side mod to notify spawns of Pokemon on the wishlist. This has a menu where you can select Pokemon (default key H) and filter by gender and shiny.
TierPVP
TierPVP One top plugin elo server smp
iammojogo's Dynamic Lighting
My own dynamic lighting mod that uses the real light render api
Paojiao134's Catalyst
Improve the playing efficiency of players
LPChestShop
LPChestShop is a lightweight chest shop plugin for Paper 1.20+ with a clean GUI flow and Vault economy support.
Solid jokes
Solid jokes this is a set of cool things and tools