Data Packs for Minecraft Java
Browse 15,706 free data packs for Minecraft Java — popular picks include Repurposed Structures - Create: Dynamic Village Compat, Block Compressors, LayaTweaks BotanyPots.
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Repurposed Structures - Create: Dynamic Village Compat
Makes Dynamic Village's buildings spawn in RS villages

Block Compressors
Chest space won't be an issue with this module! Use a Block Compressor to compress stacks of items, turning a stack of items into a single item for long-term storage.
LayaTweaks BotanyPots
This is a datapack I made for Botany Pots that add compatibility with other mods. More in description below.
No Natural Hostile Spawns
Removes natural mob spawns from biomes for a large list of popular biome mods. Structures and Spawners will still spawn mobs.

oSzoukaua's: Pillaging Friends!
Chance for a Pillager to spawn with a pet Wolf that fights alongside them, or a Parrot that follows them!

AnniR - Nether Spawn
Addon to the datapack Annihilation Recreated that make the structure spawn in the nether

Time Trap
Mine, kill, dance with the time.

Wooden Stairs Crafts
Modify the recipe for wooden stairs to make it more realistic.

Lume's Sensible Stonecutter
Makes stonecrafting sensible, with way more stone-related cutting and recipe options (138 new recipes, 18 changed recipes)

Better Crafts: Budding Amethyst
Better Crafts: Budding Amethyst is a data pack that allows you to craft budding amethyst [1.17.x - 26.1.x]

Better Crafts: Ender Pearl
Better Crafts: Ender Pearl is a data pack that allows you to craft ender pearl [1.16.x - 26.1.x]

Minty's Silly Fakemon!
A Addon for Cobblemon dedicated to famous old timey Cartoon Characters as Fakemon!

Obsidian Material Pack for Basic Weapons
Material Pack for the Basic Weapons mod which adds obsidian weapons
The "UN-POSSIBLE" difficulty
A difficulty that's actually IMPOSSIBLE...Good luck, you will need it.

Bedrock Wither
Adds Bedrock Withers to Minecraft?

Echo Spyglass
Locate vibrations through walls with an Echo Shard Spyglass

Overpowered Woodland Mansions
A complete overhaul of the Woodland Mansion, that stays true to its vanilla roots; better looking, better loot, better baddies :) Warning! You will probably die ;)

Experience Shards
Use Echo Shards at an Enchanting Table to store experience in a throwable item!

Playing Cards and Tables
Adds playing cards and card tables to Minecraft

UIM Minecraft - Hotbar Only
Inspired by Old School Runescape's Ultimate Ironman mode, this datapack restricts your inventory and storage options, providing an interesting challenge and a new way to play.
Morrigan's Greenhouse Data (Isle of berk)
Egg Crate Data for Morrigan's Greenhouse Variants

Funny Flower Crowns
This mod adds Flower Crowns that can be crafted by placing four flowers on a campfire
Alchemancy X Cobblemon Compat
Adds Alchemancy dormant properties and recipes for cobblemon

ored up
makes every ore ever generate much more

Nap Time - Healing Beds
Healing beds- but more game-y. Heal over time! No skipping night! No natural regen!

Create Extra Recipes
Adds QoL Create Mod Recipes
Trolling Dupe
Lets You Duplicate Certain Items To Troll Friends Or Something

Redstone Additions
Adds breeders, block breaker, conveyors, block placers, and more !!! Vanilla friendly

Explorer Maps
Makes it possible to create explorer maps without villagers, using only a map and an item to create

Bedrock Impaling
Makes Impaling work the same as on Bedrock Edition

Totems of Warping
Adds custom totems allowing players to warp to lodestones or their last death location.

Mr_ChibisMMO Mobs
What is Mr_Chibi'sMMO Mobs? It's a creation tool to allow [users] to create the own type of custom mob! Also custom varient mobs spawn into world and spawns them naturally based off RNG.
Avatar Origin
Origin Avatar (PvP)

Zombies Powerups
Zombies powerups from various Call of Duty titles
Giant Origin
This brand new mod adds the Giant origin!
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.