Data / Resource Pack Dev Mods

Adds a full screen world map which shows you what you have explored in the world. Works great together with Xaero's Minimap.

Optimises worldgen performance for a better gameplay experience.

Library mod with new configurability and compatibility enhancements for worldgen

A Minecraft Map Editor... that runs in-game! With selections, schematics, copy and paste, brushes, and scripting. Use it in creative, or use it temporarily in survival.

Take full control over your vanilla game

The all-in-one tool for editing Minecraft Worlds.

Allows simple control over water, nether and terrain fog.

Adds suggestions for NBT tags in commands

Allows you to preview a map / seed in the new world screen

WorldEdit CUI is a graphical user interface for WorldEdit, designed to assist in using WorldEdit and prevent accidental errors.

Paste, share & analyse your Minecraft logs

Enables resourcepacks to be able to replace sodium's shaders, similar to resourcepacks being able to replace vanilla's core shaders.

A mod which substantially improves Minecraft's data driven world generation error detection, reporting, and recovery mechanisms.

A utility mod to add more density functions for world generation datapacks.

A mod that aids in the development of world generation data packs and mods. Allows reloading worldgen data packs in-game and resetting chunks. Colors jigsaw blocks by name and target.

Shows components of ItemStacks in their tooltips