Data Packs for Minecraft Java
Browse 16,006 free data packs for Minecraft Java — popular picks include Skull [Portable], Mob Heads Powers, [Origin]: Axolotl.
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Skull [Portable]
Obtain and Customize Player Heads in Survival!
Mob Heads Powers
Gives the wearer a status effect based on the mob head equipped
[Origin]: Axolotl
Adds the Axolotl, an aquatic origin like the base Merling. It takes risks, can cheat death and operates best when vulnerable.
Nature's Spirit: Compatibility Addon
A set of additional biome tags which provide more complete compatibility between biomes from Nature's Spirit and biome dependent mobs/structures from other mods.
FishingSim
Datapack and mod that aims to add more fishing loot
Enhanced Blast Furnace
Enhanced Blast Furnace aims to improve the vanilla Blast Furnace
KS Enchantments
"KS Enchantments" completely overhaul the enchanting process and the vanilla survival experience by adding 41 brand new enchantments to the game and modify many base game enchants and mechanics related to the equipment and enchantments
Better Ore Smelting
Adds smeltable Raw Ore Blocks to the furnace and blast furnace
A Very 1999 Christmas Music Discs (1.21.5-1.21.11)
(Updated Fork) Adds jschlatt's Christmas album "A Very 1999 Christmas (Deluxe)" to the game.
ModelApplier
A datapack that allows you to to easily change the displayed model of items in survival mode.
Lock and Key
Use trial keys to lock chests, doors, etc.

Villager Vanity
Villagers get cool hats, why don't we?
Punishable - Trolling and Home Defence
New Traps and Redstone Devices
WASD Dyeable Shulkers
Dye Shulker Mobs like you can do in Minecraft Bedrock
Luminous Reagents
Certain items emit ambient light when dropped in the world. Different materials produce different light levels based on their inherent magical or thermal properties.
Harry Potter | And The Wizarding World
A Harry Potter datapack that focuses on immersive dueling, in multiplayer experiences
Azu Family Pack [Cobblemon]
A simple resource/datapack to add Azurill, Marill and Azumarill to Cobblemon. They have sleeping, swimming, and attack animations.

Valiance
A different take on Minecraft's combat, prioritizing difficulty, variety, and customization
Warden Anger Indicator
Adds a color coded anger level display above all warden's heads.
More Ancient Debris (10x)
Tweaks the world generation to get 10x more ancient debris spawn rates!
Mo' Craftian Forms [Cobblemon]
Adds Minecraft themed Cobblemon to your world
Amethyst Shard
Now craft your own Amethyst shard
Additional Biomes
Adds a few cool biomes to enhance exploration
Name Tag Crafting Recipe
A simple mod/datapack that makes nametags craftable
Create: Waystones
Replaces the recipe for warpstones with a mechanical crafter recipe
Zombie plague virus
If an infected zombie hits you you will have the zombie infection
Leveled Mobs
The farther you go, the stronger the enemies!
Trident Recipe
Now you can craft your own Trident.
Slime's Craft&Musket
Multiplayer tech and armory mod based on Vanilla Datapack.
Secret Doors
The Secret Doors datapack adds two simple things. Fake blocks that resemble vanilla blocks, but can be passed through. One that can be passed through at all times, and another that stops you from passing through, but on right-click will slide open.
HoloMon [Cobblemon]
HoloMon is an addon adding new Pokémon inspired by pet and companion of Hololive Vtuber
Attrition: death reduces max health
A cozy middle ground between classic survival and hardcore.
Froglights Recipes
Now you can craft your froglights.
Minecraft But Chickens Are OP
Its Minecraft But Chickens Drops OP Items when they are Killed. There are many OP Items....
Hoplite Recipes
A data-pack that adds Hoplite's custom recipes and other miscellaneous items

DinoBrik's Species | Fantasy Races
Adds 10 fantasy races you can play as. Includes Dwarves, Elves, Goblins, Minotaurs, Giants and Pixies. Races/Species give unique abilities aswell as change many aspects like health and size.