Minecraft Java 1.21 Mods
Browse 3,671 free mods for Minecraft Java 1.21 — popular picks include Catsnip, BreezeSpawner, Alone.
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Catsnip
Catnip enhances Minecraft cats with a dynamic bonding system and smarter AI.
BreezeSpawner
BreezeSpawner is a plugin which adds a Breeze spawner specially dropped from ominus vaults
Alone
You're completely alone in this world, right?

TD mod
TD is a mod without a fixed foundation, ranging from fantasy to other fictional concepts
MazeRunners
Maze Runners is a competitive Minecraft Fabric mod that turns procedurally generated mazes into a full tournament-style minigame.
Sniffer's Life
New exotic and wild plants can now be found by the Sniffer. Discover each one and decorate your world
Bigger Phantoms
Adds variation to the size of phantoms that spawn in your world.
Rabbits Simply Redone
A simple revamp to rabbits, including more rabbits per litter and changes to their attributes.
Mom's Slipper Dweller
As shown in the picture it adds a pink slipper owned by mom and the slipper can attack, jump 5 blocks, and run at you and deal half your HP in 1 hit.
No Superflat Slimes
Adds a gamerule to disable slime spawning in superflat
DailyEvents
Every Minecraft sunrise, a new random rule is selected and announced to all players. The rule stays active until the next sunrise. Only one rule is active at a time. The last 2 rules are remembered to prevent repeats.
That Bird That I Hate
Makes parrots randomly repeat what you said in a funny way!
ForceRaidHard
Force raid to be in hard mode even if you do not play on hard.
DigDug 1.2.0 - Ores and More
A brand new mod that introduces a new experience to mining in Minecraft. With new mobs, ores, and foods, DigDug aims to revamp the way Minecraft progresses further past the endgame.
mLeadVillager
Minecraft plugin for leading villagers with leads
Cobble Helper
Cobble Helper adds a helpful mob that automates cobblestone generation by working directly at a Cobblestone Generator. The mob harvests cobblestone for you, turning a simple early game setup into an efficient automation solution without complex machines.
ConfettiExplosions
Prevent explosion griefing by replacing explosions with fun confetti bursts that only deal damage
Pale Disease
A datapack that adds a new disease, that you can get from creaking
Cat Lovers' ReLooting
Datapack removes the string drop from cats and reworks the cat morning gifts.
DataTradeOffers
Allows trades to be made using json in data packs!
Fearful Mobs
Hostile mobs learn to fear players after repeated defeats, then send stronger rebels after several in-game days.
McCombat
McGather skills and abilities SWORDS AXES TRIDENTS MACES BOWS CROSSBOWS UNARMED needs McCore
BossBarUltra
Modern floating health bars for mobs using Minecraft’s TextDisplay system. Lightweight, customizable, and perfect for RPG and PvE servers.
Random's Wandering Traders
Overwrites the wandering trader trades with new and modified trades!

Nautilus Shell Always Drops
Makes it so that there is a 100% chance of the nautilus dropping its shell when killed by a player
Discreet Branches
A datapack that affects the generation of the world, entities, recipes, items and dangers in a very different way from the Vanilla game.
CreeperCharger
Charge creepers with a custom enchanted item.
Arrows Recovery
Recover arrows from defeated mobs instead of losing them forever. A simple vanilla-friendly QoL mod for archers with configurable recovery chances.
SlashStringFolia
SlashString Plugin for Paper & Folia.

Guardsman Levels (Specialization experiment)
Includes all the key aspects of the guardsman role so you can have fun practising and grinding in a single player world.
Craftlings
Summon fantasy themed mobs and watch them clash in epic free for all battles, or set up full scale wars in custom arenas.
HotDay
The "Very Hot Day" plugin adds heat to Minecraft, in which players and mobs burn, plants dry out, and food turns into rotten flesh.
Etho's Echo Shards
Bats drop Echo Shards. Etho's "Minecraft Idea of the Day" from his LP, episode 590.
Nightmare Mobs AI
Classic hostile mobs relentlessly hunt players and siege their homes.
Duckzi's Raccoons
This project adds raccoons to your minecraft world!
GrimTactics
⚠️ Hardcore-only plugin. On non-hardcore servers, GrimTactics runs in passive mode and does not modify gameplay