Data Packs for Minecraft Java
Browse 335 free data packs for Minecraft Java — popular picks include More Ancient Debris (3x), Mutandis Tweaks, Flower Tweaks [Data Pack].
Updated daily
More Ancient Debris (3x)
Tweaks the world generation to get 3x more ancient debris spawn rates!
Mutandis Tweaks
This resource pack removes the excessive loot pool of Enchanted's mutandis.
Flower Tweaks [Data Pack]
Adds the ability to craft and crossbread for flowers and grass
Sapling Tweaks [Data Pack]
Adds the ability to craft and crossbreed for saplings
Waypoint Block
A simple datapack/mod that adds a waypoint block that uses the player locator bar.
Moar XP
The Moar XP Datapack adds XP storage devices and other utilities to the game to allow for better XP handling, storage, transportation, and crafting (maybe).
Rocky's Recipes for Create
A Data Pack that adds over 200 well balanced, quality of life recipes to Create.
Easy Short Daycare for Pixelmon
Reduces breeding time to 5 minutes per type and no item requirements.
Epic Fight x L_Ender 's Cataclysm
A simple compatability patch
Thoughtful Recipes
Not just your avarage recipe tweaks datapack.
Shockwave Enchantment
Part of the Minecraft Tweaks collection, this adds the Shockwave enchantment! An AOE alternative for the mace.
Copper Tech - Redstone tweaks
Replaces some Redstone components' materials with Copper!
TFC tool bindings
Adds tool binding recipes to TerraFirmaCraft
Leaves Tweaks [Data Pack]
Adds the ability to craft and crossbread for leaves
Applied Kinetic recipe fix
Fix the Create: AK processors assembly for Neoforge 1.21.1
TaTe's Inventory Enhancements
Various Inventory Improvements to Make it Easier to Use, Including New Items, Custom Enchantments, and Other Tweaks!

Player Locator Settings
A datapack that gives players control over their locator waypoint
Austin's Biomes Expansion
Vanilla+ tweaks, additions, and overhauls to Overworld biomes.
Ghast Tweaks [Data Pack]
Adds craft for ghast tear
Better Apple Drops
Tweaks apple drop rate from leaves.
Epic Fight - Dark Souls 1 Greatswords
A datapack that makes my mod "Dark Souls 1 Greatswords" work with the Epic Fights mod
Stone Tweaks
"Stone is stone! Let me craft my things using whatever stone I want!" Yeah... that's exactly what this project does. Formerly known as "Universal Stone Blocks"
Movement Tweaks
Highly Customizable Solutions to Minecraft's Movement Problem™ (Mainly Elytra)
Ultris: Boss Expansion — Mob Battle Patch
An addon data pack for Ultris: Boss Expansion that enables non-player entity aggro on its bosses among other tweaks tailoring to mob battle functionality.
Little World Tweaks
Smallish changes to the world of Minecraft
VillagerWorkersAdditonalCrafts
Adds new crafting recipes for the Villager Workers mod :
Nice Creeper Tweaks
Makes Creepers more interesting.
Acorn's Tweaks
Many small changes to freshen up survival gameplay, but keep things very vanilla.
Cataclysm Ceraunus Patch (Epic Fight)
When playing with L_Ender's Cataclysm and the Epic Fight mod, there are some weapons that datapacks usually don't fix. Well, I fixed them!
soccerball
add a craftable soccer ball
Owl's Ultimate QoL
Tons of quality of life additions and tweaks to make Minecraft as great as it can possibly be
IWTweaks
Balancing Immersive Weathering
LayaTweaks BotanyPots
This is a datapack I made for Botany Pots that add compatibility with other mods. More in description below.
michael9r9r's RPG Loot (modern port)
This is michael9r9r's "RPG Loot, Mobs & Dungeons" data pack, working in 1.21.9 and later, with a few minor tweaks.
TFC Boil Salt Water
Boil Salt Water into Salt for TFC
Halloween Tweaks
Small and minor halloween-related tweaks to make your game spookier!