Data Packs for Minecraft Java
Browse 1,793 free data packs for Minecraft Java — popular picks include Sonic boom abilty, Special Gem Amulets, HaBDaC Origins.
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Sonic boom abilty
Use the sonic boom just like a warden
Special Gem Amulets
Transforms vanilla minerals and bows into powerful custom amulets using modern 1.21.11 data-driven item mechanics.
HaBDaC Origins
This datapack adds 6 Origins focued on Light/Protection/Healing or Darkness/Destruction, based off the world of my original story Half a Blessing, Double a Curse
AoE Tipped Arrows
AoE for tipped arrows when they do not hit entities.
ephemeral_beacon by only5117 1.21x
Ephemeral Beacon is a rare block that cosmetically transforms neutral mobs within a 50 block radius over three in-game days. It creates permanent unique color variations like lavender sheep or gold striped pigs adding subtle magic to your world.
Taking Damage Randomly Teleports You!
A simple yet chaotic Minecraft datapack that teleports you to a random location every time you take damage.
Matcha Flavoured - Estus is Craftable
This allows you to craft estus from estus ash and a firecharge

Contrasting Curses: Leveled
Addon enabling levels for a collection of unique curses with interesting tradeoffs encouraging interaction with cursed gear
Spell X Apotheosis
Adds gems with spell attributes and new affixes
Ars Additions Codex Recipes
adds recipes for each tier of codex as well as a simple dupe recipe. feel free to delete the dupe recipe if you don't want it.
Above The Leaves: Survival
You can only walk on leaves! Touch the ground and you will die through it.
Elkonia: Phantom Keep
A rare dungeon keep with twelve boss encounters, puzzle rites and a deserted ward village. There were seven keeps; six remain. The seventh was lost, and has been seen in many places since.
Actually Scary Creakings
A small little datapack, made to make creakings legitimately a threat to the player.
SHMA server data pack
The data pack's name and design can be changed and adapted to your server.
Mobs Drop Random Book
"Every time you kill a Minecraft mob, you get a xp and a special book! Perfect for survival rewards."
Add Requirements
This project adds the crafting of the Magic Golden Apple, Name Tag, Trident items, and adds an achievement for the Name Tag and Magic Golden Apple.
Prideweave Banners
Adds recipes for pride vanilla banners/supplementaries flag using Malum prideweave
all no ignored your armor
This datapack ensures that the armor you are wearing is taken into account, even for damage types (such as drowning) that would normally ignore armor.

Suspicious Clock
This datapack is bout one of Eider's yt videos about google translate mobs chnaging theb ehavior of mobs too. The thing i was talking is a clock man form it, becuase it drops a sus clock. Now you craft it with 4 clocks and redstone!
Kyvrem's Arsenal
Unfinished datapack that aims to overhaul vanilla combat with spells, new weapons, and armor. Requires a resource pack.
SlightlySaferKillerWorld
SlightlySaferKillerWorld: Extreme performance turned the terrain into a predator.
Mob Power DP
This data pack allows you to level up every time you defeat a mob, granting you various enhancements upon leveling up.
Arcane Additions
A growing collection of vanilla-friendly additions to Minecraft. Currently features four enchantments: Bulwark and Fortify for armor, Swift Harness for faster harness-mounted travel, and Ensnare, which lets pickaxes pick up monster spawners.
BigRedHeadofAir's Magical World
Various custom items/blocks to remove grind from survival! Grindstones are not removed.
Rivals Example Datapack
This is the example datapack for making Superheroes using the Rivals API

Whoopie Cushions
Add some whimsy into your world with craftable whoopie cushions and rainbow cushions when renamed.
enchantment golden apple crafting
This datapack adds enchantment golden apple recipe
Gems Rebuild
This project adds four new gems to your world.
Enchancement x Mythic Metals Compat
Makes Mythic Metals Compatible With Enchancement in Various Ways
Botania: Garden of Glass / Ex Nihilo: Sequentia | Pebble Replacement
Replaces Garden of Glass's pebble with the stone pebble from Ex Nihilo: Sequentia.
Teleport Stone
Place with an item a teleport stone in the world. Set you own Teleport Stone Network. You can teleport between the stones. No knowlage needed over commands.
Frost Armor (for horses)
A unique take on frostwalker for horses!
Endmode 2 | Terraria Style Datapack
Terraria inspired overhaul to progression. New bosses, items, etc.
Daily Origin Switcher
Each ingame minecraft day, a 3 second countdown starts. At the end of the countdown, the Origin GUI opens and you can pick a new origin. (Disables Human)
Enchanted Book Splitter
A way to split enchanted books with multiple enchantments into separate enchanted books.
Firestep
Adds the ability to set fire on where u walk