Minecraft Java 1.21 Mods
Browse 971 free mods for Minecraft Java 1.21 — popular picks include twinkle popo mod, Chaos Block, Literally Just a Bomb...
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twinkle popo mod
it adds twinkle popo realistic pikachu and realistic hellokity

Chaos Block
A block that spawns any item or mob in the game, including modded.

Literally Just a Bomb..
a Mod as simple as the name, it adds a bomb.. simple throwable item that explodes, perfect for those players who just want a small addition to the vanilla experience!
Fireball Thrower Enchantment
This mod adds an enchantment that allows you to shoot fireballs
Magical Tools
This Datapack, best used with datapacks such as STRONG MOBSSS, or Ygdrassil, or more mobs, is going to be best because this gives tools OP abilities such a 3X3 mine or magnet pull, read the description for information about abilities.
LavaDamage
Take damage when standing too close to lava.
Mystic Pulse
This datapack adds drums to the game and when you play them in a specific pattern it can give you effects

Bomb
A Interesting mod about explosions.
Nightshift
Challenge oriented, randomly generated nocturnal events.
Dominus
Dominus is a Paper 1.21+ plugin that lets trusted operators secretly control a Minecraft server — shaping the world with powerful tools or walking among players disguised as any mob — while remaining completely undetectable.
Magi Mirrou
Use magic mirror to teleport to your home!
Goofy items
A chaotic mod offering items, custom potion effects, food...
Stannum
Creates a client-side ambient effect using customizable particles, radius, and count
QuantumCraft
Each player sees their own version of the world
Astrid's Gambling Cubes
Ready To Risk it All, Test Your Luck With These Cubes, Spawns Items, Mobs And More
The UnHoly One
a new system of abilities. and lore to a certain individual in a peaceful world.
more tools mc
adds more crazy and random tools like the tnt sword wich blows up and is a one time use
Cursed Coin
A cursed item of unknown purpose. Rarely dropped by zombies and skeletons. Use it… if you dare.
Leon Totem
Just a datapack to add pinguinhopper's Leon Totem
Anvil Restoration Recipe
This data pack allows you to get iron ingots from damaged or chipped anvils as a crafting recipe (Chipped = 22 Ingots, Damaged = 14 Ingots)
More Arrows (MA)
This datapack/mod adds more custom arrows to your world.
TrofimSnickers
Created from scratch resource pack that make game 10x times funnier. Some funny images, not big of change.
Fight Back
Fight Back against Horror Mods with OP armour that grants effects like flight and invulnerability, tools that one-shot and insta-mine everything, a new dream-like dimension, new achievements, and more!
The Legend Returns
Herobrine has returned. Cursed structures, shadow clones, epic boss fight, and dark portals await. Survive the apocalypse.

Spider Bow
This project adds a Spider Bow to the combat area of vanilla Minecraft in which being shot by this arrow cobwebs the victim and makes them stuck.
Eternal Enchantments
RPG-inspired enchants brought into the game
Aloo Skill SMP
AlooSMP is a custom SMP plugin where each player bonds with a Potato Spirit companion (called an "Aloo") that gives them a unique class identity with passive buffs, 9 active abilities, and a skill progression system.
Opgrass
This datapack makes that grass drops op items
Recovering The Hero's Sword Datapack (+ RP)
Embark on a journey to find the Blade of Evil's Bane and claim the title Hero of Time!
Somewhat Warm
Super Hot in Minecraft
More Bounce
This mod adds many new bouncy balls to minecraft for example the house ball spawns a ball wherever it lands its a fun goofy mod that you can add to your sever for more fun. This mod is to help minecraft on expanding there balls for not just having snowbal
Mixed crafts result
With this data pack, all your crafting results will be mixed up.

AllMaterialsAllowed
This is a mod based on the image meme of Minecraft streamers locking in to craft things that don't actually exist in the game. Basically, it allows you to craft a large assortment of items using any material.
RandEffects
A datapack that adds permanent random effects to all server members from a list of effects
Learnopolis
A new world full of instruments and enemies!

dupe_hack (April Fools)
Adds minecraft:dupe_hack from the April Fools 'Voting Update', with some changes.