Data Packs for Minecraft Java
Browse 1,544 free data packs for Minecraft Java — popular picks include More Mobs Drop Things, Cushions Work Like Boats, MC Unbalanced World.
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More Mobs Drop Things
Adds drops for more passive mobs, including goats, sniffers, and ocelots.
Cushions Work Like Boats
Makes entities that can sit in boats able to ride on cushions including most mobs, and items.
MC Unbalanced World
A great overhaul to survival progression, adds 30+ hours of content, to enjoy alone or with friends
ToughCraft
I'm trying to create a very complex datapack that will be based on vanilla Minecraft and make the game impossibly difficult.
Escalating Hardcore Mode
This is a datapack that drastically increases the difficulty of your game.
NoMoreLeaders
Entirely removes the Zombie leader HP buff without having to lower your difficulty
Bastion Reprieve
More piglins, less brutes. A compromise between 1.16.1 and modern Minecraft.
Remove Lava Chicken Drop
Removes the "Lava Chicken" disc from the Zombie loot table.
Blocky Villagers
A data pack providing a way to build villagers.
FakePlayersPack
Adds fake players to your world (requires Carpet Mod)!
Zombie Horse Traps
Adds Zombie Horse Traps into Minecraft!
Jeb_ For Wolves And Pigs
Let you name wolves and pigs "jeb_"
The Complete Advancement Drop Randomizer & Multiplier
Your drop multiplier doubles with every advancement earned - on top of fully randomised drops.
Ghast Gauntlet: Dogfights
A minigame datapack for happy-ghast based sky battles.
A-90
Datapack thats add A-90 to your world
API-NameTagVillagers
RU NAMES This is a Minecraft datapack that automatically changes and generates names for villagers (the “nosy ones”). It makes the game world feel more alive — now every villager receives a unique name that is generated when they spawn.
Warden Boss Bar
A datapack that adds a boss bar for the Warden and a new advancement for killing it.
Husk Drops Sand
The husk mob will drop 0-2 sand or red sand when killed, with a small chance to drop a dead bush, cactus, cactus flower, or sugar cane. Compatible with Minecraft 1.13+.
Survival Refightalized
A reworked survival experience with more varied mobs and new armor and shield mechanics.
F*** baby zombies
Makes baby zombies exactly 1.001 block tall, severely nerfing them by preventing them from going through 1 block gaps.
Custom Boss Template
Easy custom boss template for Minecraft 1.21+. Fully configurable health, name, appearance, phases, attacks, messages and rewards. Perfect for adventure maps and servers.
Destiny's Advancements
Adds a few more advancements to existing categories and new ones. Supported in client and server (it may not show that though)
Take The Job!
TTJ forces villagers named "ttj" to take workstations next to them or lose their job if there are none.
Bundled Findings
Some hostile mobs can now rarely drop a bundle with randomised loot inside!
Zombies attack Pink Sheep
Like in A Minecraft Movie, zombies will attack pink sheep
Gamble Drop
Gamble drops is a Datapack where ever block drop or mob drop is rolled by (0 to 4) and you either get nothing or more than usual drops
Wither Skeleton no Stone Sword drop
Prevents Wither Skeletons to drop Stone Swords on death
Renewable Treasures
Adds ways to make treasures like Enchanted Golden Apples renewable!

Decorative + Invisible Sulfur Cubes
Name a Sulfur Cube "invisible" to turn it permanently invisible!
Crafted Spawners
This simple datapack adds a recipe for the spawner and all basics mobs eggs !
Aegis system
a simple and very customazable rpg plugin that includes mana, abilities, classes and more!
Common-Fish
Tropical fish Advancements - Fish goes weeeeeeeeeeeee

Bullfrog origin
This Data-Pack adds the bullfrog origin ALL THE POWERS: Blulky Legs: you take no fall dmg and jump 2 blocks poison damage: you take more dmg when you have poison Sturdy Skin: you take less dmg like the shulk origin Unwieldy: you cant use a shield
No Music Discs from Creepers
Removes music discs from creeper's loot table when killed by a skeleton. You can find all C418s music discs in dungeons now.
Cobblemon Aegislash Shoulder Mount
This Cobblemon pack allows you to mount Aegislash onto your back.
Familiar Buffs
Adds buffs to horses, donkeys, mules, skeleton horses and happy ghast.