Minecraft Java 1.21 Mods
Browse 12,335 free mods for Minecraft Java 1.21 — popular picks include HostilePassives, Nature Into Life, PetalDisconnect.
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HostilePassives
makes passive mobs hostile

Nature Into Life
Life that you can turn into mobs and more and 4 new mobs.
PetalDisconnect
A lightweight quick-disconnect mod that triggers instant disconnects via keybind or focus-loss detection.
Wisdom Of Souls
Wisdom of Souls is a mystical Minecraft mod that brings new life to combat and magic through the power of souls.
Simply Horse Roads
It's a simple and optimized plugin that boost the horse speed on certain road-blocks with the opition to add player boost aswell.
MK:Ultra spells - DivineRPG mobs compatibility patch
Allows the spells from MK:Ultra to target the mobs from DivineRPG
Allay & Vex Conversion
Allows the conversion of allays to vexes and vice versa
PollutedLands
PollutedLands adds a dynamic pollution system where over-mining and exploitation in a chunk leads to environmental decay, corrupted mobs, and eerie visual effects, creating a harsher, more immersive survival experience.
Stellarity_x_True_Ending_patch
Compatibility layer for seamless integration between Stellarity and True Ending datapacks.
Beneath the Earth
Adds ancient eggs deep beneath the earth. If you look hard enough, you might find their source too...
Cobblemon Fierce Competition - Extras
Stuff that didn't quite fit in the original datapack
Armor Resistance
A Balanced PvP Oriented Mod That Adds A New Attribute To Netherite Armor!
Spirited Journeys
Set off on a journey with friends in this RPG modpack. Explore various structures and lands, as countless monsters and loot await you. then return home with tales of your adventures and maybe even settle down and enjoy what the simple life has to offer.
CarpetStairs
Carpets on the stairs and slabs for your server
BreedingControl
Simple mod that lets you disable breeding of certain animals/animal groups in the config.
DNASteal
This plugin allows you to steal mob's DNA and their abilities

Eco Picks
This is a Minecraft mod where you craft leaf pickaxes, combine them into an OP Eco Pickaxe, and befriend Leafee! a pet that helps you through the game.
Happy ghast speed upgrade
This project adds faster happy ghasts with their speed fully configurable
emerald update+
This is a emerald update mod.The mod add some emerald items.
ExtremeMobAI-1.6 – The Ultimate Hunt☠
"Run, hide, or fight — but you can’t escape them."
Undead Transformation
Zombie transform into husk if died by the sun and skeleton transform into bogged if in contact with water for too long
Dried Ghast, no Craft?
A simple Data Pack that removes the Dried Ghast crafting recipe
Iron Golems' Revenge
Iron Golems will recognize you as the threat you are and attack you on sight. They'll also get EXTRA angry towards players only.
Browngurus mob pack
A resource pack that replaces skeleton and zombie mobs with custom mobs i made up
Misterpizza's ligcht edition
Misterpizza's Light Edition adds two new biomes: the glowing Light Biome and the mysterious Dark Biome. Discover powerful gear like the Dark Armor and Light Sword, encounter new mobs like the Lighting Pig, and explore a world filled with adventure. More up
Create: Autonavigation
Autonavigation allows you to steer your ships with greater mobility, without being tethered to magnetite.
AntiVPN-X
AntiVPN-X is plugin blocks any sort of VPN mobile hotspots proxy botting and MORE!
Safe Dawn
enemies are pacified by the sun's light
You Can't Sleep
A about bed sleep's horror mod
Advanced Happy Ghast
Upgrade your Happy Ghast! This mod introduces a progression system, integrated storage, and speed bonuses. Manage your companion through a custom dashboard and level it up using rare materials.
McCombat
McGather skills and abilities SWORDS AXES TRIDENTS MACES BOWS CROSSBOWS UNARMED needs McCore

Flower bunny origin
Pacifist flower eating origin.
Iffex's Mob Additions
A simple data pack that increases mob variety throughout Minecraft
Deadly Skeletons
Turns Skeletons into a serious late-game threat by overhauling their combat equipment and spawn rules.
Viiru Advancements Pack
Minecraft Advancements Pack that gives you motivation to keep going.
More Stuff+
Adds More stuff to Minecraft - For NeoForge 1.21.1