There are 2 repositories under datapack topic.
An open-source Minecraft music maker.
Data Pack Generators and Tools for Minecraft 1.15, 1.16, 1.17, 1.18, 1.19, 1.20, 1.21
Development tools for vanilla Minecraft: Java Edition data pack developers.
Sandstone | Next Generation Framework for Minecraft
Remakes of the Mini Games from the Legacy Editions of Minecraft to Java Edition
The Minecraft Technology Based Datapack
Gamemode 4 is a collection of modular Minecraft Datapacks that change or expand on the vanilla experience whilst keeping the vanilla feel. Our modules are developed with a focus on usability and efficiency.
Some useful functions for the intrepid datapack developer.
A Minecraft datapack maker and editor for 1.15 – 1.20.4 data packs
Data+resource pack for viewing inside of shulker boxes in your inventory
📚 Bookshelf is a modular library datapack designed to simplify complex systems in Minecraft maps. Ideal for mapmakers looking for easy-to-implement tools.
A Minecraft biome map capable of handling worldgen datapacks.
A datapack generator for Minecraft Java Edition 1.21.4 that creates custom biomes and dimensions
A popular Minecraft worldgen and adventure datapack for the Nether
Data pack that enables the Update 1.21 experimental features, but disables the trial chambers and breeze. Made for Hermitcraft 10!
objD is a framework for developing Datapacks for Minecraft. It uses the Dart programming language.
A fancy, minecraft-styled icon theme, designed specifically for datapack devs. Available at VS Code marketplace:
A new minecraft datapack language.
Minecraft 配布ワールド 「The Unusual SkyBlock」用データパックリポジトリ
A data pack for Minecraft 1.13, 1.14 and 1.15 (Java) for automatically sorting every item in the game.
Default 'data' folder for each version of Minecraft since 18w01a
The One Vein-Miner-Datapack: Minecraft Java Versions 1.13/1.14/1.15/1.16/1.17
Ambient sounds for Minecraft.
Explosion-based player motion library for Minecraft
Conium is a datapack and script framework for modern Minecraft, it provides very diverse features without Java coding, Conium lets you complete your mods only using datapacks.
Burning entities/items such as torches or lanterns emit light!
Lag-free background computation with subtick timing.
The vanilla definition files using the schema format, mcdoc, for describing data structures used by Minecraft, including its CODECs, JSONs, and NBTs
A very, very large loot-table that extracts the BlockState data of any block at given position