Data-Driven

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Customize Map Color, Block Colors, Colormaps and Block Sounds, Biome Colors, Dye Colors. Supports Optifine format. For Resource Packs

Tools to aid in datapack creation

Nbt data in json recipes! Cauldron recipes, brewing recipes and a hella lot more!

Allows data/resource packs and mods to modify parts of json files instead of completely replacing them.

Data driven entity model library

About as simple as it sounds, a small jij-able library to modify/add/remove Villager trades via datapacks.

An overly configurable composter

An API for datapacks to detect your Minecraft Version

Data-driven advancement criteria

Provides new tools for creating datapacks

Changes the Overworld height to the old Y range, 0-256. This will basically crop off parts of your world if you don't pregenerate the world on an earlier version of the game.