Data Packs for Minecraft Java
Browse 6,764 free data packs for Minecraft Java — popular picks include Seasons Data Pack, Spawn Chunks Disabled, Cliff under a Branch (CliffBranch).
Updated daily
Seasons Data Pack
Adds Seasons functionality to vanilla Minecraft
Spawn Chunks Disabled
Spawnchunks will no longer be forceloaded
Cliff under a Branch (CliffBranch)
A vanilla-styled worldgen overhaul, fork of CliffTree with alternative development
Mob Hearts
Shows you the hearts of all mobs above their heads.
Double Shulker Shell Drops
Makes shulkers always drop atleast 2 shulker shells upon death so that you aren't left with an odd number of shells.
no entity lag
This data packet enables you to say goodbye to the lag and frame drops caused by having too many entities.

TPA datapack
Allows players to tp without OP
Anti Enderman Grief
prevent endermen from picking up blocks!
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

Minecraft But Jumping Enchants
Every jump randomly enchants a random item in your inventory. Survive the chaos and defeat the Ender Dragon. A Bebu datapack for Minecraft 26.1+.
SGrave
A highly customizable and feature-rich grave data pack/mod
No Seeds Spam
Wheat seeds only drop when breaking grass with a hoe---Better for inventory clutter and clearing large plains!
Raid Bar
The Locator Bar shows where Pillagers are during raids and at outposts!
Axolotls Ignore Passives [PurpurPack]
Datapack that stops axolotls from hunting passive mobs
Item Glow
Makes nearby items glow. Lightweight!
Craftable Armor Trims
A simple mod which lets you craft armour trims.
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.

RPG Style Player Stat Progression/Levels
Level up different attributes of your player through Gameplay!

Pocket Dimension
Data Pack adding multiplayer-friendly Pocket Dimension
Elytra Lunge
Allows the "Lunge" enchantment to work while gliding with an elytra

Ben 10: Unearthed
This datapack is one that aims at seamlessly implementing Ben 10 into Minecraft, with an exploration based twist!
Throwable Fire Charges
Adds a new item called the fireball which can be thrown similar to the fireballs in hypixel bedwars.
AFK Announcer
Shows AFK players, /trigger afk, auto AFK kick & more
God Armor Back
Restores the ability to combine all protection enchantments on the same armor.
Instant PvP
Instant PvP | Merge 1.8 and 1.9 combat mechanics together! No delay between hits!

Enchantable Mace
Makes the Mace weapon enchantable like a sword
Infinity Mending Bows [PurpurPack]
Allows infinity and mending to be placed onto the same bow
Freezing Enchantment
New enchantment for swords that's apply slowness to the victims!
Pale Formations
Eerie structures of unknown origin await deep within the Pale Garden. Who... rather, what, made these?
Expanded Moveset Cobblemon
This simple datapack makes it so every 'mon in the mod Cobblemon learns their Egg, TM, and Tutor moves at level 100.
6 Stairs
Craft stairs by 6, one for each block used

True Survival
True Survival Mode is a comprehensive set of 1.21+ datapack features that aim to overhaul Minecraft's survival mode. It tackles difficulty and progression through means that don't disrupt Minecraft's regular gameplay, while also providing new adventures!
Copper Cutting
Use the stonecutter to craft all types of copper doors and trapdoors.
Achievements Expand Border
Complete achievements/advancements to progress & grow your Minecraft world border. (or die, possibly get trolled by your spawn)
Various Starting Loot
Various Starting Loot changes the standard loot of the bonus chest, now it depends on biomes. Multiplayer, Custom Generation support!