Minecraft Java 1.21 Mods
Browse 2,241 free mods for Minecraft Java 1.21 — popular picks include Simple Scaling, Death+, Randinium.
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Simple Scaling
Simply Scale Entities & Players Via simple easy to use commands.
Death+
Some extra features that happen on death.

Randinium
Random item challenges usually have no progression. This mod changes that by introducing a custom resource, drop multiplication and endgame gear. (Intended for Skyblock)
Orbital witherskull Cannon
Similar to Orbital strike cannon but spawn wither skull intead of tnt capable of breaking obsidian
Early Creaking
Creaking Mob, with Creaking Heart. Server-side mod!
Nether Portal Boom
This Mod will make your Nether Portal go boom if you ignite them.
Blockfront - spawn vehicles in dedicated server
SERVER SIDE ONLY!!!! Tired of not being able to spawn vehicles in dedicated server out of blockfront matches? You're welcome.
Draventh Ores
⚒ Advanced Tier Ores & Equipment This mod expands Minecraft’s survival progression by introducing 15 new late-game materials, each with full armor and tool sets. The goal of this mod is simple: Extend progression beyond Diamond and Netherite with a struc

Sniffer Exploited
A plugin that aims to make Sniffers actually worth having in the game.
1024
Increases world height to 1024 (-512 to 512) and replaces Bedrock with Reinforced Deepslate.
Lifelike
Cellular Automata simulators! For ModFest: Toybox
Unhinged Carnival Supplies
Basically Party Supplies that might be just a little off
LVL = BORDER
It is a Challenge that makes the world border bigger when the player gets Level.(Also works as ServerMod with Friends, etc.)
Minecraft but everything is Random
This datapack make your gameplay random , random potion effects,block drops are random and more.

Shared Hits
Adds a gamerule to share hits taken by players with all other active players. Works on single-player, integrated/LAN servers, and dedicated servers.
EIIAT (EveryItemIsATotem)
Turns every item into a totem. Has a blacklist.
Sorcery JJK
A customizable Jujutsu Kaisen Paper Plugin
GUI Recorder
Simple recorder for actions in any GUIs.

Enter the Bungeon
Completely rewrites Minecraft into a Roguelike Dungeon Crawler
Mr. Potato Head
Build your own Mr. Potato Head that will enhance you when sitting in your offhand!
1 HP
Start the true Hardcore experience with 1HP.
World Randomizer
All blocks are shuffled in world generation, making for an interesting and challenging playthrough
NoNether Plugin
Prevent players from entering the Nether.
Limitless Lag
Simulate lag for those players that just won't leave you alone!
Verdant Growth
A spreading plant growth threatens to overtake and convert all matter in its path. Either fight it or join it!
Grave Bane
A mod that adds cool new blocks from Minecraft Dungeons to spice up your world. This mod includes a variety of new blocks. <3
Blood N' Particles Datapack
This datapack consists of adding blood and particles every time you receive and dealt damage; a touch of immersion to the game!
Lifeless.jar
My very first ARG horror mod so expect some bugs allong the way. Lifeless.jar is a Paranormal mod that was described as a girl trapped in the game.
Linecraft
Minecraft, but You Can Only Walk in a Straight Line...
Wormhole Items
All of the CUSTOM items (that require multiple command blocks) from the Wormhole by Spoke, improved, and packed as a datapack.
Dirt To Diamonds
A datapack that lets you turn dirt into diamonds!
MobMons
Do you want to use Minecraft mobs as Pokemon? Now you can!!! :D
Craftable Trial Key
Now you can craft your Trial Keys and no more waiting for vaults to be avilable
The Gay Mod
This mod adds a new diamond called Gaymonds that can drop while mining diamonds.
player tick freezer
freezes survival players too when you do /tick freeze, not creative or spectators
More Villages Datapack
Adds more villages to the game.