Data Packs for Minecraft Java
Browse 15,836 free data packs for Minecraft Java — popular picks include Spawn Chunks Disabled, Seasons Data Pack, qrafty's Mushroom Villages.
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Spawn Chunks Disabled
Spawnchunks will no longer be forceloaded
Seasons Data Pack
Adds Seasons functionality to vanilla Minecraft
qrafty's Mushroom Villages
This datapack/mods adds shroomy villages to the mushroom fields! 🍄
no entity lag
This data packet enables you to say goodbye to the lag and frame drops caused by having too many entities.
Cobblemon Swap Pokeball
A datapack addon for Cobblemon that allows the current ball of a capture cobblemon to be changed in survival mode.
Anti Enderman Grief
prevent endermen from picking up blocks!
Infinite Trial Vault
Adds craftable upgrades for trial vaults and trial spawners
Origins: Disassembly Drone M.O.X
As a Sky Demons, looks like this is not the place it should be. Finding way as a Disassembly Drone.

TPA datapack
Allows players to tp without OP
Minecraft, but if you touch grass you die
A very simple datapack/mod that will rapidly kill those who come in contact with grass.
Reader
Displays what you're looking at

Emerald Equipment
Adds emerald tools, weapons, and armor to Minecraft
No Seeds Spam
Wheat seeds only drop when breaking grass with a hoe---Better for inventory clutter and clearing large plains!
No More Stone Variants
Removes Granite, Andesite, Diorite, and Tuff from the world generation.
Twilight Forest Forms [Cobblemon]
Mod that integrates Cobblemon with the Twilight Forest dimension. Adds 50+ custom fakemon, as well as progression-based spawning suited to each structure and biome.
Cobblemon: Beyond Our Stars
a datapack that adds regional forms from worlds beyond our own.
SGrave
A highly customizable and feature-rich grave data pack/mod
Raid Bar
The Locator Bar shows where Pillagers are during raids and at outposts!
BubbleVehicles
This Data Pack adds fabulous server side vehicles such as cars, helicopters, and more
Luish's Guns
Survival-Friendly Vanilla-Like Guns with animations
Elytra Lunge
Allows the "Lunge" enchantment to work while gliding with an elytra
Axolotls Ignore Passives [PurpurPack]
Datapack that stops axolotls from hunting passive mobs
Craftable Armor Trims
A simple mod which lets you craft armour trims.
Item Glow
Makes nearby items glow. Lightweight!
Cobblemon: Team Rocket
Adds shadow Pokémon to Cobblemon
Apotheosis Addon Compat
Apotheosis Addon Compat is a simple addon that only adds compatibility between Apotheosis and other mods.
Better Furnace
BetterFurnace introduces seven new types of furnaces with varying cooking speeds, wihout Resource Pack ! They're getting harder and harder to get and fit perfectly with your minecraft survival.
Jujutsu Craftsen
adds jjk/jujutsu kaisen charecters to minecraft, 100% survival friendly, features a multitude of cursed techniques and an original take on cursed tools

RPG Style Player Stat Progression/Levels
Level up different attributes of your player through Gameplay!
Cheaper Armor Trim Duplication
Makes armor trim duplication cheaper.
But the Floor Changes Every Day
Every time a day passes, the entire floor changes to a different block.

Pocket Dimension
Data Pack adding multiplayer-friendly Pocket Dimension
Better Combat x Terramity Compatibility
Adds Better Combat support to weapons from Terramity that don't natively support it.
Limitless
Pretty much removes height limits in the overworld and in the end

Ben 10: Unearthed
This datapack is one that aims at seamlessly implementing Ben 10 into Minecraft, with an exploration based twist!
Super Hopper
A new hopper that's 8x faster than vanilla hoppers!