Data Packs for Minecraft Java
Browse 6,823 free data packs for Minecraft Java — popular picks include Bookshelf Collection Module, XPLoss rework, Switchy Origins Forge.
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Bookshelf Collection Module
Manipulate collections with a full set of functional operations.
XPLoss rework
drop xp even with keep inventory on, and increase the cap from 7 levels to 32 levels

Switchy Origins Forge
Quick and dirty datapack to add Origins Forge compatibility to Switchy 3.
Rabbit's Escape
Two craftable teleportation items: White Rabbit's Escape teleports you to spawn, Black Rabbit's Regret teleports you to your last death location.
Wet
Give entities fire resistance for 5 sec when standing in water or rain.
A Couple More Midnight Thoughts
Added what I believe are appropriate comfort tags to a couple blocks that I think were passed over from vanilla Minecraft but I felt made sense.
Diamond Upgrades
This datapack lets you upgrade your iron tools and armor into diamond tools and armor using a flower and a smithing table!
enderpearlrandomtp
Required data package for the server plugin
TreeStumps & FlowerPotForests ComboPack
experience forests from flower pots and regrow your fav tree again and again
cborder
A simple datapack that adds a circular border
Re:Path
This datapack rebalances progression, resources, and crafting by shifting smelting mechanics, tool tiers, and potion accessibility to encourage a more survival-focused gameplay
Fixed Mob Explosions
This datapack changes the gamerule mobExplosionDropDecay
Axeable Lacugrove Bookshelf
Make Lacugrove Bookshelf from the BetterEnd mod Axeable (as it should be)!
Soluners Currency Datapack
A datapack that adds tradable currency to minecraft using Items
quartz to prismarine crystals in cauldron
vanillatweaks cauldron mud datapack modifed to convert cobblestone into prismarine crystals.
Epic Spawn Eggs
A datapack that changes the rarity of all Spawn Eggs to be Epic.
Aura System
Adds a Diorite-based Aura system to the game!
Durability Config
A simple datapack that allows you to set custom durability values for Minecraft tools using commands.
Sleep in the End
Use beds in the End dimension to set your spawnpoint. No explosions, no hassle.
Canvas Dimensions
A data pack that adds three flat utility dimensions for building, redstone testing, and creative projects.
Bontiful Utilities
Some useful vanilla-friendly items with specific use-cases.
Eating Ability
Eating Ability transforms Minecraft survival by giving players unique powers and abilities when consuming different items.

easy bundle
experimental bundle but simple recipes
Origins: Midnight Alchemist
Adds the Midnight Alchemist origin!
The Complete Advancement Drop Randomizer, Shuffler & Multiplier
Advancement-based multiplier, randomised drops, and automatic reshuffling - the most complete advancement pack in the series.
The Complete Drop Shuffler
Drops reshuffle automatically on a timer. Choose 1, 5, or 10 minutes. Countdown bossbar visible to all players.
Matix3005's size datapack
A minecraft datapack that let's you shrink and grow using the /tag command.

Craft ExpBottle
Crafting expbottles
CropMatic
automatic crop harvest
Revenge of the AXOLOTLS!
If you kill axolotl you die... I mean they are defenceless...
coal
a modification that allows you to convert crushed coal into coal create:the factory must grow there is a mod, create: the factory must grow, and this data pack can help (it is not intended but is useful in almost all situations with it) with the creation
Nikki's Music and chantments
a enchantment addon with a couple of custom music discs
Mob Museum Datapack
Adds several quality of life changes that ease the collection of different kinds of mods, while keeping it fully vanilla
Ballz's RPG datapack
This datapack adds a firework fueled RPG.
Frost Walker Tweaker
This DataPack lets you use Frost Walker II while riding an entity.
Rama Recipes
Datapack/mod used by the Mod-O-Rama modpack to balance recipes, free to use in any big modpack