Data Packs for Minecraft Java
Browse 26 free data packs for Minecraft Java — popular picks include Wandering Trader Revamp, OmniBlast: Blast Furnace and Smoker recipe list completed, Mob Tweaks.
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Wandering Trader Revamp
Expands, tweaks, and balances the Wandering Trader. Includes new items and 200+ trades and adjustable spawnrate
OmniBlast: Blast Furnace and Smoker recipe list completed
OmniBlast is a quality of life Datapack for Minecraft that completes the recipe lists of the Blast Furnace and Smoker to enable faster cooking for blocks and items that have only a standard Furnace recipe (e.g., Glass, Glazed Terracota, Cactus, etc.)
Mob Tweaks
In this data pack you'll find tons of tweaks, buffs/nerfs and improved consistency in worldbuilding when it comes to mobs. Axolotls have become much better, Illusioners are now in the game and there are even a couple of useful new items.
Estrogen Tweaks
Adds a crafting recipe for Estrogen Patches :3
Seed Tweaks
Add ability to crossbread seeds
Better Apple Drops
Tweaks apple drop rate from leaves.
Acorn's Tweaks
Many small changes to freshen up survival gameplay, but keep things very vanilla.
Minecraft Remade
Tweaks Minecraft. Keeps in balanced.
okipiak's Stuff
Cheese, New plant, New totems, Tweaks and more.
Colly SMP [NO LONGER UPDATING]
The Official Datapack used in the Colly SMP, no changes, no tweaks, THE REAL DEAL!
TaTe's Food Tweaks
Makes Many More Items Consumable, Buffs a Few Existing Food Items, and Adds a Couple New Food Items!
Mona's Brews
Mona's Brews is a Vanilla+ data pack seeks to add in numerous custom beverages. They all have unique effects and utilities, and some can even get you drunk.
Berry tweaks
Adds a couple of recipes with sweet berries!
SpaceFrog's FroggyCraft Datapack Tweaks
This is a datapack intended for use with the FroggyCraft modpack. It makes tweaks to recipes and world generation.

Stew tweaks
Rebalances soup and stew recipies, and makes them stackable up to 16!
PED Tweaks
Extra crafts, functions and more
Always Cooked Food
A datapack that makes animals always drop cooked food when killed instead of raw food. (Quality of life)

Stardust bunny
Adds the stardust bunny origin. Balanced, mobility-focused origin with a huge arsenal of utilities.
Features & Tweaks
A Minecraft Datapack, that tweaks & overhauls some features of minecraft while also adding New Features that keep minecraft feel new!
Quiche SMP2
Custom Tweaks for the Quiche SMP2. Hosted by AlexisTheGeek.
Craftworks
Datapack for more accessible Food, Armour and other miscellaneous items via various QOL recipe tweaks.
Cube's Craft - Mob Tweaks
A datapack/resource pack expansion for Cube's Craft that enhances some mobs.
Osmium
Datapack that tweaks/adds loot tables and recipes.

Darkwing's Tweaks - Remove Hunger
Auto-regen hunger in non-peaceful gamemodes to avoid having to eat.
Recipes Galore
The purpose of this datapack is to restore or add recpes to the game and making Minecraft have a bit more of quality of life. So far there are over 29+ recipes (unless you consider the woodcutter and others that I have merged than it's way over 100+)
GUI admin utils
This project adds GUIs that add utilities for admins on servers. It uses dialogs to show the GUIs, so only versions 1.21.6 and above.