Draconis
ElCeejo

Adds Dragons and related resources and equipment to Minetest Game

Water Life
Gundul

new mobs for your river and sea water

Nether
PilzAdam

Adds a deep underground realm with different mapgen that you can reach with obsidian portals.

Technic
RealBadAngel

Extensive machinery mod with electricity and ores.

Ethereal NG
TenPlus1

Ethereal mod uses the v7 mapgen to add many new biomes to the world.

Biome Lib
VanessaE

The biome spawning and management library.

More Trees!
VanessaE

Adds a whole bunch of new types of trees, some bearing fruit or similar, using biome_lib for the placement engine.

Plantlife
VanessaE

Adds various kinds of plants, fruit bushes, fallen trees, and a whole host of foliage and other ground cover.

Mineclone2 New Ores and Deepslate
NO11

Adds 29 new deepslate blocks!

More Ores
Calinou

Adds new ore types.

Dwarf Fortress style caverns
FaceDeer

Adds vast underground caverns in the style of Dwarf Fortress, complete with underground flora in diverse biomes.

Baked Clay
TenPlus1

Adds the ability to bake clay into blocks and colour them with dye.

Cool Trees
runs

It adds some cute trees.

Natural slopes for Minetest Game
karamel

Add natural slopes for Minetest Game

Native Villages
Liil

Adds villages of native people to the world.

Villages
Sokomine

Explore the world and find villages of diffrent types. Buy a house in a village and settle down.

Mineclone2 Nether Gold Ore
NO11

Adds Nether Gold Ore

Alien Material
debiankaios

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

Caverealms Lite
Shara

A mod for Minetest to add underground realms.

pathv7 redo! (Mapgen V7 only)
Emojiminetest

Creates a worldwide network of paths, bridges and tunnels.

Cloud Items
Panquesito7

Powerful cloud tools.

SwampZ
runs

A cool swampy biome.

Experimental Villages Mapgen
Nore

Changes the way ores are placed, add new biomes and villages.

Handle Schematics
Sokomine

A library to make creating and placing saved areas easier.

Natural slopes library
karamel

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

Citygen
BuckarooBanzai

city mapgenerator

Algae
Just_Visiting

Algae mapgen addition to "Minetest Game"

Islands
Termos

lua mapgen featuring tropical islands and vast ocean

Stonebrick Dungeons
Hamlet

Turns newly generated cobblestone dungeons into stonebrick.

Pyramids (with treasures)
Wuzzy

Pyramids with treasures!

Quartz
Evergreen

Adds quartz ore and some decorative quartz blocks

Giant Mushroom/ Mushrooms
Hybrid Dog

Adds various mushrooms.

Technic Plus
mt-mods

Technic fork with focus on features and stability

Nether
Hybrid Dog

The underworld for Minetest.

Hallelujah Mountains (AKA Cloudlands)
DrFrankenstone

Giant rocks floating suspended in magnetic eddies. (skylands, islands, fantasy, giant trees)

Time Travel
Red_King_Cyclops

Adds in a craftable time machine that can be used to time travel to different time periods of Earth's history.

Caverealms
HeroOfTheWinds

A mod for Minetest to add underground realms.

Multiple Biome Generator
chaosomnium

230 Pseudorandomly Generated Biomes, Trees, Fruits, Ores, Tools, and Liquids

SkyRealm for NodeCore
Warr1024

SkyBlocks inside vanilla NodeCore

Underground Challenge
Hume2

Explore all 62 underground biomes!