Caverealms
HeroOfTheWinds

Adds underground realms.

Better Biomes by Atlante
Neuromancer

This mod adds some of the subtle understated beauty of nature to your biomes to make the world look more natural. It was created by Atlante.

Natural slopes library
karamel

Library to simply add slopes to regular nodes and include them on map generation and when changing the landscape.

PB&J Pup and Nyan Cat
TenPlus1

Adds PB&J Pup, Nyan Cats or MooGnu into your world

Quartz
Evergreen

Adds quartz ore and some decorative quartz blocks

Badlands
AwesomeDragon97

Adds the badlands biome, which contains plentiful clay and gold.

Easy ores
X-DE

Minetest Game ores now generate higher up

Fireflies
Shara

Adds fireflies which can be caught in a net and placed in bottles for lighting.

Deepslate
Silver Sandstone

Adds deepslate and related building materials.

Nssb
TenPlus1

BIOME integration for nssm, the not so simple buildings.

block physics
Giga_M

Add pieces of broken blocks when breaking them.

Luamap
MisterE

An easy-to-use api for lua mapgens that takes the pain out of mapgen coding. Focus on mapgen logic, not on voxelmanipulation.

Magma Conduits
FaceDeer

Removes default mapgen lava and adds widely-spaced vertical lava "veins".

NextGen Bedrock
StarNinjas

Adds an indestructible bedrock layer at the bottom of the world.

Rubber Addon for MineClone
Biochemist

Adds rubber and related Items to MineClone.

Large Slugs
jwmhjwmh

Adds node-based slug mobs to your world

pilzmod
Phii

a spreading mushroom biome which you can spawn into the world, with its own monsters and a boss you need to slay to stop the biome's growth. Best played with bow & armor mod and after reading manual.

Geodes
AwesomeDragon97

Adds amethyst geodes and an API for making custom geodes.

Ancient Fertilizer
Daniel

Adds ancient fertilizer, sourced from ancient stone in the underground, useful for farming flowers if you need dye for colored nodes, complements bonemeal.

Alien Material
debiankaios

Adds new blocks, items, and tools from aliens. A new time begins.

Biospheres
Feufochmar

A map generator generating single-biome islands inside glass spheres.

In the Fog
Jo5629_

Herobrine has entered your world.

Zero-Effort Custom Minerals
Piezo_

A tool for registering entire materials, complete with ore generation, tool-sets and automatically generated sprites with almost no effort required

Swamplified
Neuromancer

This mod adds a few more nice touches to Atlante's Swamp biome mod

Zinc
alerikaisattera

Zinc metal, used for making brass

Loose Rocks
eduardomezencio

Adds loose rocks which generate randomly on the surface.

Sedimentology
sofar

A mod that adds realistic erosion and degradation of rocks.

WC Strata
Winter94

Exploring the NodeCore underground has never been more colorful.

Far Glitch Land
srifqi

Add glitchy-looking lands at the edge of the world

Kitty/Kitto Ores
nemokitty9

Nemokitty9's own ore pack. Includes Tools!

Nodecore Rabbits
LandarVargan

Adds rabbit holes, rabbits, and traps to the Nodecore game

UFO wreck
Irremann

UFO wreck

Nodeternal Darkness
Kimapr

make nodecore very dark

Pedology
Wuzzy

Adds some different ground blocks in several wetness levels; the wetness slowly flows downward.

Coconut Trees
AwesomeDragon97

Adds coconut trees that appear on beaches

Swamps
Hybrid Dog

Adds swamps

Lua2Mts
Neuromancer

Allows converting .lua schematics files to .mts files.

The Road (NC)
Winter94

This is a port of thelowerroad for NodeCore that adds a long road from -Z to +Z to the world, during world-generation.

Sailing
cakenggt

Live in a tropical paradise where you can sail, mine coconuts, etc.

Boring RPG
Lebedev

New items blocks and other pieces are waiting for you here