Data-Driven

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

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Tools to aid in datapack creation

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

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

Data driven entity model library

An API for datapacks to detect your Minecraft Version

An overly configurable composter

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

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.