Minecraft Java 1.21 Mods
Browse 1,415 free mods for Minecraft Java 1.21 — popular picks include ALTERNATE, Creeper every minute, Mobs Devolve.
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ALTERNATE
Adds a new alternate dimension with a cheap twist
Creeper every minute
Have you ever wished creepers didn't exist? Well in this "minecraft but" challenge, i made sure you never say YES!
Mobs Devolve
Mobs devolve into weaker mobs when killed, with trigger function to change multiplier.
Being Alone (BE)
This mod makes you feel alone... because you are...
Mahan's Mod
This Mod is a Random Mod Of What My World Will look like.
Dont Attack My Logs!
This Mod adds a entity that spawns and attacks the player that breaks a random number of logs
Ghost Garden
Ghost Garden is an atmospheric mod featuring loot-filled graveyards guarded by Skull Kin. Defeat the Royal Ghost to forge powerful phasing gear, stat-boosting crowns, and shield-shattering blades.
The Songuses
This project adds pretty weird stuff and OP stuff also.
piggys
adds pigs and other things like pigs
Wither Spawn Egg
It allows you to craft Wither spawn eggs.

Fudge's Potions
Adds a collection of funny, cursed, and nonsensical potions, mobs, and weapons to Minecraft for chaotic fun.
Bedrock's Skeleton
Adds a new mob: a Skeleton armed with a minigun instead of a bow. Summon it with a simple structure and watch chaos unfold.
Wet
Give entities fire resistance for 5 sec when standing in water or rain.
Bulb's Strange Giople
An odd entity that roams the plains and wears a mask!
hEndermanFix
Automatic Enderman targeting fix for Paper servers that keeps Endermen focused on nearby Endermites with configurable radius, AI options and lightweight tracking.
Unga Bunga
A new oonga ore, that can be smelted into oonga ingots. A new oonga pickaxe, that can be crafted from oonga ingots. A new underground biome and a new mob.
Parent
A mod where you go through layers of dimensions to fight your father
Pointless Emeralds Stuff
Pointless Emerald Stuff that nobody asked for
Revenge of the AXOLOTLS!
If you kill axolotl you die... I mean they are defenceless...
World Evils
This project adds the world evils from terraria!
17cyclones texure pack
texture pack made by peterheater7373 and turqoisewharf60 filled with fun new tetures made for youtuber 17cyclones!! we hope you like the pack made by fans of 17cyclones
Blood Moon: Night Hunt
Automatic Blood Moon nights, stronger mobs, new cursed enemies, weapons, charms, and rare loot for Minecraft Fabric.
[Hardcore+] You sure that's a passive mob?
This plugin will add challenge where players must becareful with the animals around them
HEROBRINE
A simple mod that adds Herobrine to Minecraft.
Proprietary Teams Bridge
Mod to bridge Priopetary Teams mod to FOSS alteanatives
Monster Rework
A datapack which reworks monsters and their spawning while also while also adding survival elements. All to make the game a more interesting experience.
Empowered Skeletons
This data pack is hard, I haven't even gotten past the 3rd night without dying. going down caves is VERY hard because of these skeletons
Bob's Datapack
This datapack is basically a few weird addons that I added to minecraft while I was sick and off my meds. It adds (semi) realistic injuries for players and mobs and a few other things.
Toastted`s Gunpowder Barrels & More
gunpowder barrels that explode instantly when lit with flint and steel and more
Chaos Hunter
A chaotic Minecraft datapack that turns every mob kill into a randomized effect lottery.
Everything Bossbar UW add-on
This Datapack adds Bossbars for every mob
Only Jetpacks
This mod adds jetpacks that the player can use to fly around, as well as a new way to play the game where you can make it where every single mob in Minecraft has their own jetpack, creating a world of chaos.
mc is too ez
A survival difficulty mod that makes Minecraft harder, more punishing, and less forgiving.
Content of Calamity
This mod is a project of mine that adds some of my less silly ideas to the game. There's cool mobs, items and more to discover! No promises on seriousness though!

Scute Force
Craft mount armor with scutes!
Tramwajarze
This project adds very cute bugs called "tramwajarz". The name comes from the Polish langugage.