Data Packs for Minecraft Java
Browse 2,961 free data packs for Minecraft Java — popular picks include Solid Entity Hitboxes, Warden Bar, Arrow Despawner.
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Solid Entity Hitboxes
This server-side mod makes certain entity hitboxes solid
Warden Bar
Adds a boss bar to the Warden.
Arrow Despawner
This is a datapack that reduces the time arrows shot by other mobs are stuck in the ground down to 10 seconds (vanilla is 60)
BagTag
One miscellaneous feature: drop wool to villagers to make them turn into owls!

MoarTridentsPlox
A very simple data pack that allows for ALL drowned to drop Tridents.
Minecraft, but damage spawn random mobs!
This datapack make sure that when you take damage a random mob will spawn. There are included the wither and the ender dragon!
Corebound Spawn Eggs
get mob spawn eggs on a 0.5% chance or kill 200 of that mob
Dungeon Maker
Dungeon Maker Datapack Makes A RPG style Dungeon with many mobs and loots
Slick Lights - Dynamic Lighting (Custom Torch Glow)
Torch glow, item illumination, and realistic flame flicker with zero server lag. Fully customize your glowing items and mobs using a simple in-game menu!
Chicken Jockifier
A Minecraft Movie based data pack that turns adjacent baby zombies and chickens into chicken jockeys

Hoglian
Hoglin inspired Origins mod datapack. (origin)
Parax's Muddy Pigs
Make pigs muddy when they go in mud
No Ghast Grief
Disables that ghasts can destroy blocks when shooting fireballs
Random Mob Armor
A data pack makes mob equipped armor randomly.
Realistic Meat Drops
This datapack combines Minecraft's simple physics and real life animal properties for a seamless food experience in your world. Never go hungry again.
Spoon
This Data Pack Lets You Eat Any Mob With A Spoon
Renewable Pigstep
Get Pigstep music discs from Creepers
Skull's Mega Expansion [Cobblemon-MSD]
A Cobblemon Mega Showdown datapack that adds a plethora of custom Mega Evolutions designed by me, Skull :)
Random Animals Size
A little datapack to make animal mobs with random size.
Eldegoss End-form
Adding an End form for Eldegoss
Happy Ghast Datapack Backport
A basic backport of the Happy Ghast to older versions of Minecraft through the use of datapacks. Multiplayer friendly
Lavish Livestock
Selectively breed your livestock for increased yields! Commercialize your farming!
Project : Asylum
item asylum inspired wave defense minigame
MONEY-MONEY
Adds a simple money system to Minecraft. Earn money from mobs and use 100 / 1,000 / 10,000 bills with a control book.

RPG Loot Reforged
A fork of LostPuppet's remake of Michael9r9r's rpg loot system. Every weapon has unique stats and abilities.
Bunger! (Cobblemon)
puts the funny burger guy into funny cube monster mod (but updated!!)
Resin Drop
Some additions to the Winter Drop. Mostly resin items.
Illager Update
Improving the current mechanics of vanilla pillagers, traders and more illager related content.
CompatZ
Compatibility Datapack for LevelZ!
Origins: Revenant
Origin datapack that adds the Revenant, an origin based on the Stray.
Natural Armor│天然鎧甲
Turtles and armadillos now have higher defense.│海龜和犰狳現在擁有更高的防禦力。
FrostPunk [Ethernal Winter]
DataPack that adds eternal winter from FrostPunk, all life freezes before our eyes, huge resource shortages, all mobs die out
Trial Chambers
A PVP & PVE Datapack based on the new Trial Chambers
Down Wither! Down!
A pack which puts a ceiling on how high a wither can fly. Dev on all my projects will be paused for the duration of the BDS boycott against Microsoft.
Whaleborne planks compat
Whaleborne mod compatibility for planks
Always Cooked Food
A datapack that makes animals always drop cooked food when killed instead of raw food. (Quality of life)