Data Packs for Minecraft Java
Browse 444 free data packs for Minecraft Java — popular picks include Uno Reverse Banner Pattern (Data Pack), Ez wool, Kid Icarus Music Disc Pack.
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Uno Reverse Banner Pattern (Data Pack)
This pack adds the Uno reverse card to your world as a banner pattern. Resource pack is required. Enjoy!
Ez wool
Now you can transform wool and carpets to strings :)
Kid Icarus Music Disc Pack
Nintendo Music Disc Series: VOLUME VII
Happy Trains
Happy Ghasts in minecarts look forwards!
Modded Cobblemon Together Integrated structures
Adds 18 type gyms, Pokécenters, themed loot, trainer spawns, discovery rewards, and custom boss progression. Includes Misty’s water-breathing fix.
Snow Golem Advancement
Similarly to iron golems, but can be summoned using carved pumpkin, and snow block easily.
FakePlayersPack
Adds fake players to your world (requires Carpet Mod)!
ddd's modified Darceno's Minecarts
Fork of Darceno's Minecarts with some minor changes, as well as new additions
Benoodle's Carpet to Wool
Craft four carpets into one corresponding wool block.
Icarian Origin
My take on an elytra-based origin!
Wathe Train Utilities
A basic datapack which adds a bunch of utilities to the Wathe (Harpy Express) mod by Doctor4t.
MyFastCartEngine (MFCE)
MyFastCartEngine is 1.21 datapack / mod enabling customized rail speeds and long-distance entity travel.
Direct Minecart Crafting Recipes
Allows you to craft hopper, chest, tnt and furnace minecarts directly from ingots and their respective blocks
Wyld Life's Wyldcards
These are the Wyldcards from Wyld Life

Cartstrike Cannon
Adds an orbital TNT minecart cannon to the game
The Blessings of Icarus
Get a permanent buff every time you burn an elytra.
Better TNT: Shockwave
Better TNT: Shockwake — datapack that turns TNT, creepers, and TNT minecarts into cinematic blasts: shockwaves, smoke columns, screen shake, flickering lights, concussion, terrain scars, and craftable Hypercharge TNT (9 TNT, 25s fuse, ×6 power)
AS Collectible Cards (Datapack)
A datapack that adds craftable card packs that can be opened to obtain collectible cards, nothing OP or useful, just decor
Botania x Tensura: Reincarnated Compatibility
Adds compatibility between Botania and Tensura: Reincarnated
Cube's Craft - Minecart Tweaks
A datapack/resource pack expansion for Cube's Craft that enhances minecarts visually.
Enchanted golden carrots!
A simple lightweight datapack that adds a recipe to an enchanted golden carrot!
Rolling Sniffer
This datapack provides functionality for controlling sniffers using the torchlight as a vehicle.
Un-Craftable Minecarts
Un-Craftable Minecarts allows you to separate any minecart using your crafting grid or any crafting table.
placeing-rooms
A simple easy to play and clean up backrooms datapack with the scary entity included
Turnip's Recrafting Carpets
Craft carpets back into full wool blocks!
More Radical Trainers: SV + PokeBadges
A datapack originally by fyre520, with loot tables edited to be compatible with PokeBadges by LevelsFR.
Lightning Countdown
Stay still for 15s? Get struck by lightning! Survive 5 strikes to summon a Charged Creeper. Keep moving to avoid the electrifying loop in this thrilling survival challenge for Minecraft!
Normal Recipe
Can you imagine an iron helmet being used as a minecart
Create Reatomized: Pillager Caravans
A datapack for Obscuria's Pillager Caravans which replaces their Vanilla style caravans with a total of 90 new caravans which include many modded mobs.
[C] Custom Carrots
adds 13 new types of carrots to Minecraft, each with its own unique power and custom texture.
Carry TNT
A fun Minecraft datapack that lets players pick up ignited TNT, carry it on their head, launch/throw it high into the air, or right-click to pass it to another player!
darcenos-minecarts-updated
Simply an update of darcenos-minecarts to the latest datapack versions
Railways
A datapack for 1.21.1+ that speeds up Minecarts and adds dynamic fire trails if you go fast!
Uncharted Paths: Compatibility Layer
This datapack adds Custom Tags to be used for MCA Guards to tell them how much they should care about mobs from other mods, as well as extending Naturalist tags to tell Naturalist about other mobs too!
Effective Carpets
Different carpets will provide different effects for entitys on it.
MJCoordinates
MJCoordinates is a clean, performance-friendly Minecraft datapack that displays your real-time X, Y, Z coordinates, the current world day count, and your cardinal facing direction directly on the action bar.