Minecraft Java 1.21 Mods
Browse 3,669 free mods for Minecraft Java 1.21 — popular picks include Ablitys, Custom Golem Hats, Alex's Mobs fishing.
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Ablitys
Ablitys Adds explosion to your game! To kill monsters. And Destroy things!
Custom Golem Hats
U can use any block as hat on ur Copper Golems! CGH - Custom Golem Hats

Alex's Mobs fishing
Adds items from "Alex's Mobs" mod to fishing loot tables.
No Dragon Egg
Disable dragon egg spawning with a simple, configurable Paper plugin
Ratty Helpers!
A mod that adds RATS, this mod lets you tame and cach rats to keep as pets.
simulator infection epidemic crisis
apocalyptic zombie infection simulator that transforms servers into a pandemic survival experience. Features progressive infection spread, contaminated players, quarantined villages, multiple zombie variants, vaccine crafting, and crisis events.
Mob Bloom
A small Vanilla+ mod that not only adds a new engaging way to create mob farms for hostile mobs.
Grief
You love your Minecraft pets until the very end, but now they leave you with a special parting gift.
Wither Debris
Adds a chance for Withers to drop 1 - 4 Ancient Debris when killed by a player (not compatible with any other datapack that rewrites the wither's loot table)
StickMenu
A simple plugin to make using commands in AdvancedTeleport much easier for console and mobile players.
Balance Silverfishes
Makes some small tweaks to the silverfishes
Stev's Halloween Mod
Adds a bit of Halloween spirit to Minecraft with autumn colors, spooky mobs, festive food items, and more!
Monster Attack Ability
Monster attack ability mod, adds a attack abilities of monsters, you can open it by pressing M button, you can rebind it in game settings.
Beekeeper
A Mod that adds a beekeeper's toolkit - a protective outfit and a smoker - so you can work with hives and bees without getting swarmed.
Blood Moon: Night Hunt
Automatic Blood Moon nights, stronger mobs, new cursed enemies, weapons, charms, and rare loot for Minecraft Fabric.

Essence Reborn
This plugin allows players to be imbued with the Essence of the mobs which they have slain, giving them special abilities!
Visual Identification
Lightweight and configurable server side block and entity information UI based on player's line of sight. Displays configurable information such as block name, block ID, mob health...
PiglinSMP
Transforms Piglin Bartering into a custom loot system. 7 unique weapons with special mechanics. 🐷
CreatureCapture
Turn mob hunting into a collection challenge!
Doner Villager
Adds a Doner and shawarma making villager proffession
Villager Repellent
A lightweight plugin that lets you repel villagers from using specific beds and workstations.
Kill or die
A recreation of the datapack used in NewKiddo’s “Kill or die” series
Just AI Villagers
AI-powered villager dialogs via local Ollama. Villagers have unique personalities, speech styles, and react to events.
Ace Up The Sleeve
Drop to 4 hearts and trigger your Last Stand — summoning Guardian golems and granting powerful buffs to turn the tide of battle.
Better Hardcore Datapack
Completely overhauls Hardcore mode to be true danger.
Wet
Give entities fire resistance for 5 sec when standing in water or rain.
Quality of Laik
Adds a lot of quality of life changes to as much of the game through datapacks as possible!
Teggs Happier Ghasts
A feature to make Ghasts a little bit quicker when holding a snowball in the off-hand

SpyGlassMeData
Datapack that is used by the SpyGlassMe mod.
Sheep Behavior Reversion
This datapack reverts the 1.21.5 update changes to sheep behavior, preventing them from eating short grass, ferns, short dry grass, and tall dry grass.
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.
AceSpawners
This Plugin adds configurable spawners to your minecraft server
Fishy Folk
An Origins mod data pack with merling spinoff origins
BoomPhantoms
Just a phantom… until it explodes 💥
Mythicmobs Block Drop Add-on
This will let you add mythicmobs drop when breaking block with custom amount and chance
Last Resort Soup
Adds an insanely OP stew that is meant as a last resort when all else fails