Minecraft Java 1.21 Mods
Browse 12,413 free mods for Minecraft Java 1.21 — popular picks include Liminalcraft, Creeper Infection, All About Aether - Sky Dimension Adventure .
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Liminalcraft
Now with the Aether! Exploration based with new dimensions, mobs, magic, and more, with a focus on performance
Creeper Infection
Makes Creepers infect your world!
All About Aether - Sky Dimension Adventure
Explore the mystical heights of the Aether in Minecraft, where floating islands, mythical creatures, and celestial challenges await in All About Aether.
Attribute Base Modifier
A data-driven mod to modify mobs' default attribute
Annoying and Deadly Mobs (Discontiniued)
This Mod adds annoying Mobs, Rituals, and a Lot of mob based Features. This mod is Discontiniued!
Random Junk
A mod filled to the brim with random meme features
Scuffed Editions Revamped
A mod that adds Tons of Mobs, Blocks and more!
PaperArtifacts
Unofficial port of the Artifacts mod by ochotonida.
No Animal Variants
Datapack that prevents warm and cold farm animal variants from spawning. Affects cow, pig, and chicken variants.
Super Survival | By: Reb2y
Impressive survival with new biomes and new mobs!
MobLiB
A library for the MobPvP mod
Refined Animals
Remodels classic animals to fit-in of Minecraft's modern artstyle!
blockling by cubestructeur
This mod adds different blockling features.
Enderman Support Class
Allows endermen to aid nearby hostiles in their fight against the player!
🐔Cluckin' CHICKS🐤 - DATAPACK
Add some new variants for chickens, new eggs & fried egg food
Simple Craft
its a simple data pack for recipes 19 simple recipes that can help to get material easily 7 furnace recipes and 12 crafting table recipes. version from 1.16 to latest
ZApocalypse
ZApocalypse is a Fabric mod for 1.21.1 that turns every night into a zombie wave, with elite variants, blood nights, and a Zombie Lord boss. As the apocalypse escalates, zombies evolve unique abilities while other hostile mobs retreat deep below Y=25.
Dangerous Nights
Every night without sleep makes the world more dangerous. Survive growing monster hordes, defeat minibosses, and earn stronger rewards as your streak rises.
Terraria Items
This project adds some items and weapons from Terraria and the Terraria Calamity Mod into Minecraft.

Pre-26.1 Mob Sounds
Replaces the modern baby and adult mob sounds with the classic Pre-26.1 mob sounds
Spawner Breaker
Full control over who can break, drop, and collect spawners - with mob-type preservation, permission
Arrested Development
Keep Mobs Baby Forever
The Blood Forest
There is a mess of flesh growing in the new forest, explore it to find out where its coming from, why it happened, who was responsible, and what you can do... if anything...
PhantomBlocker
This plugin completely prevents Phantom mobs from spawning on your Minecraft server. It's simple, lightweight, and performance-friendly.
Shrieker can summon warden
Shrieker drop itself with its can_summon block state using silk touch. It can summon or not depend on which one you're mining.

Aetherium Items
Adds magical scrolls that grant unique abilities to weapons, turning ordinary gear into powerful tools of combat, mobility, and control.
Cobblemon: Frontiers
A server mod-pack with all the mods required to join the Cobblemon: Frontiers Server. Cobblemon: Frontiers is a No Survival competitive PvE/PvP server with a unique generation zone based world format.
Fortune Craft Modpack
The Official Modpack for the FortuneCraft Modded Server. Explore Minecraft in a new light with a heavy focus on Create, with the addition of new Biomes, Blocks, Mobs and Bosses!
Best Librarian's Trades
This datapack overhauls the Librarian’s trades
Ultimate Essentials x Crosshair
Ultimate Essentials Plus with a clean PvP crosshair added for competitive gameplay.
Saltcraft
A mod adding salt biomes, mobs, structures and blocks into Minecraft
Digital Frontier
Digital Frontier is a mod aimed at bringing a variety of computer-themed additions to the world of Minecraft, including multiple additions from the TRON franchise.

Gladius
Adding new weapons and mechanics to Minecraft
Pets, Estrogen, and More
This mod adds some new tamable mobs, ore, items, armor ,tools, potions, and potion effects.
No Polar Bear ❌
Disable Polar Bear in Minecraft by preventing its spawning and removing any that appear in the world
JADU CAT UPDATE
Mod for a cute fat bald cat named Jadu from South Korea.