Data Packs for Minecraft Java
Browse 6,895 free data packs for Minecraft Java — popular picks include Railways, Playerless Spider Eyes, Craftable Spawners.
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Railways
A datapack for 1.21.1+ that speeds up Minecarts and adds dynamic fire trails if you go fast!
Playerless Spider Eyes
A simple datapack that makes spiders and cave spiders drop spider eyes even when they are killed without player involvement.
Craftable Spawners
Adds the Ability to craft mob spawners
Restock & Reshuffle
Restock & Reshuffle is a datapack that lets you "Restock" vaults after they've already been opened, or "Reshuffle" their lootpools while they're active.

Renewable Series: Oxydation and Concrete
Adds a vanilla-like recipe to oxidize copper and "wet" concrete
More craftable items
adds some more recipes to minecraft crafting table
Glass Break
YOU CAN CRAFT PUNCH GLASS SAFELY!
Mixed loot entities
This datapack will reshuffle all entity loot!
The Complete Rare Drop Pack
Every block has a 10% chance to drop an Elytra on top of its normal drops. No commands. Just luck.
White sleeping bag // striped towel recipe fix
PolyDecorations & Tom's Server Additions recipe conflict override fix.
Even Simpler Shopping
This datapack adds a shopping system so you can sell your items for diamonds, in a completely grief-proof way.
Condensed Copper Recipes
Allows crafting of existing copper decorations in all of their different stages, with minimal material loss.
You shall be Visible!
Skellies Goto Torches! And you got more fun soul torches that let you move skeletons, too op but eh, for fun (datapack) for feedback goto toomanyskellies@gmail.com
Fairer Recipes
Adds Fairer recipes
Light's Changes
Just some basic improvements and changes to minecraft that I found to be useful.
[Cobblemon]: Held Items into Type Gems
Using stonecutter to convert your excess items into type gems and other vanilla material
No Enchantment Levels
Sets the max level of all enchantments to 1, and also changes the stats of the enchantments to match that of their vanilla max level.
Repel the Skies!
This datapack adds a potion of phantom repellent that can be crafted and used to repel phantoms away from you.

minionSkyBlock
Adds a SkyBlock island start and craftable Minions that mine, farm and gather resources for you.
Better Eating
Adds more foods to the game in a simple and fun way.
Nutriwork
Eat a balanced diet, earn buffs. Nutriwork sorts every food into six tracks — fruit, veg, grain, meat, sugar, water — and rewards variety with Regeneration, Resistance, Haste and more. Diet-style depth, zero mods. 1.21–1.21.1.
WilderNature Wildlife Contract Compatibility
This Datapack adds compatibility to hunt deer and boar from the Wildlife mod for WilderNature deer and boar contracts.
sulfur cube sulfur bomb
Adds a new archetype to Sulfur Cubes, sulfur bomb, they cause fire, have a 10 tick fuse and a level 2 explosion making them pretty different from regular explosive sulfur cubes, use them in pvp or to set traps, theres a lot you can do with them
Effective Carpets
Different carpets will provide different effects for entitys on it.
denÄnglens' Mortalis
A finite life, the end putting you in a new place.
crafting recipe Elytra
Survival‑friendly datapack: Elytra can be crafted with Blaze Powder, ,Dried Ghast,Fireworks, and Netherite Upgrade.
sandspawn
Always spawn on sand like in old Minecraft!
Balloons Of Speed
Makes Ghasts/Happy Ghasts Faster

Cobweb Utilities
This datapack adds more crafts with wool & strings
Simple Decoys
This pack adds decoys that you can craft and customize
Block Painter!
This datapack adds a paintbrush that can be crafted and used on different blocks.

Minecraft, but it hates you!
This is a datapack full of trolls, explosions and much more than meets the eye
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!
bedrock flatter
it just make the bedrock flat in the overworld, that's it
Damage boost from attack
With this datapack, you start the game dealing very little damage, but your damage output increases as you deal damage to others.
Attrition
A world that answers your progress. 600+ mechanics: bleeding, thirst, curses, diseases, rebuilt bosses and a world that learns from every mob you kill.