Basic Houses
Sokomine

Simple random houses spawning in small groups on the map

VoxeLibre Abandoned Places
ems111

Adds many structures with loot.

Ruined structures
X-DE

Adds ruins to desert, sandstone desert, icesheet, snowy grassland, taiga, rainforest and tundra

Wilhelmines Living Desert
Liil

Adds plants to the default deserts of minetest game.

Wilhelmines Living Floatlands
Liil

Adds various prehistoric animals to your Floatland Zone, if you are using V7 Map Generator.

Biome Generator
Gaël de Sailly

Library providing biomes and decorations to compatible Lua mapgens.

Chemistry
Emiliano

A package that adds More Ores and Things

Nssb
TenPlus1

BIOME integration for nssm, the not so simple buildings.

block physics
Giga_M

Add pieces of broken blocks when breaking them.

Fireflies
Shara

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

Geodes Library
alerikaisattera

API/library for creating geodes

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

Badlands
AwesomeDragon97

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

Quartz
Evergreen

Adds quartz ore and some decorative quartz blocks

Deepslate
Silver Sandstone

Adds deepslate and related building materials.

Caverealms
HeroOfTheWinds

Adds underground realms.

Easy ores
X-DE

Minetest Game ores now generate higher up

Magma Conduits
FaceDeer

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

In the Fog
Jo5629_

Herobrine has entered your world.

Geodes
AwesomeDragon97

Adds amethyst geodes and an API for making custom geodes.

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.

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.

NextGen Bedrock
StarNinjas

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

Fantasy Biomes
AirplaneMan

Fantastical Biomes for your worlds.

Underground Challenge
Hypernoot

Explore all 62 underground biomes!

Alien Material
debiankaios

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

Swamplified
Neuromancer

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

Far Glitch Land
srifqi

Add glitchy-looking lands at the edge of the world

Rubber Addon for MineClone
Biochemist

Adds rubber and related Items to MineClone.

Kitty/Kitto Ores
nemokitty9

Nemokitty9's own ore pack. Includes Tools!

Variety Fork
awuuwa

Fork of Atlante's Variety

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

Zinc
alerikaisattera

Zinc metal, used for making brass

Sedimentology
sofar

A mod that adds realistic erosion and degradation of rocks.

Asbestos
AirplaneMan

Useful Fire Proof Asbestos for your world

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.

UFO wreck
Irremann

UFO wreck

Pedology
Wuzzy

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

WC Strata
Winter94

Exploring the NodeCore underground has never been more colorful.