My Ores
Don

Adds ores and minerals to Luanti

Sky Islands Mapgen
TX_Miner

Sky Islands Mapgen

NodeCore Vuga
Winter94

Generates Vuga Underground.

NodeCore CatRealm
Warr1024

Adds a cat-themed dimension with unique ores and over-powered tools

NodeCore Nature: Revised
Warr1024

Updated, fixed, enhanced edition of Winter94's NodeCore Nature

More Coral
Nathan.S

Adds coral in more colors.

New Biomes
Arkatron

If you like underground biomes, this thing is for you.

Wildflower Fields
mzs.112000

Adds a wildflower field biome to Minetest Game.

Ancient Ice Stuff
Robot10&Scheletor

Adds a new powerful ore to the game

NodeCore Pottery
Winter94

Adds clay and ceramic items and nodes to NodeCore

Quartz Geodes
AwesomeDragon97

Extends the Geodes mod with quartz geodes.

NodeCore Stalactites & Stalagmites
Winter94

Generates Stalactites and Stalagmites in caverns underground.

Cave Generator
Noordstar

A custom cave generator engine

Unstable Caves
M BLOC

Some stones may cave in if punched, making underground expeditions more risky.

Nodecore Vulcan Improved
Winter94

Improved version of nc_vulcan.

Nodecore Fairy Chimneys
Winter94

Adds geological formations called 'hoodoos' or 'fairy chimneys' to your worlds.

My Treasure
Don

Adds treasure chests around the world

morebiomes
mzs.112000

A simple mod adding a few biomes to Minetest Game

Boulders
Neuromancer

Adds pushable boulders which spawn in dirt & stone. They tumble when they wind up on top of each other and cause damage when they fall on you.

NodeCore Fossil
Winter94

Discover fossils, oil, natural gas, amber, and more!

Hades Endgame
VeproGames

Adds various goodies to Hades Revisited, focused on Late/Endgame

Natural slopes for Hades Revisited
karamel

Add natural slopes for Hades Revisited

Sticks Stones
MikeRedwood

Makes Sticks from leaves and scatters small stones

Archaeology
SkyBuilder1717

Adds an looting and API in archaeologing

Beautiful Boulders
regulus

Procedurally Generated Rocks with (pretty) Accurate Collision Boxes

Y Axis
ivyqube

Makes the depth of the World configurable in Voxelibre.

Alien Tools
chaosomnium

Alien Tools Mod for Minetest - adds Alien Tool, Shield, biome, etc

Trucraft
mt-mods

An alternative crafting system done entirely in the world.

Tac Nayn
GreenXenith

Adds Nyan Cat's evil twin, Tac Nayn (and a gray-scale rainbow).

New Horizons
Hi_World

Adds 4 new biomes and TONS of new blocks!

Nyancat's heaven (reworked)
Hybrid Dog

Adds a nyanland in the sky

Underground Survival Lighting
Arkatron

If you like underground light in survival, use this mod, it can help that.

Purple ore
X-DE

Adds new purple ore to floating islands and caves from height 200 to 31000.

Easter Eggs / Ostereier
Ineva

Adds various coloured eggs for Easter!

World Borders
argyle

Add impenetrable barriers to the sides and bottom of the world.

Randomized Map-specific Ores
Piezo_

Adds two randomly created ores to each world with varying properties depending on the world's seed

golden lava
GigaByte

add golden lava

Floof
Momo

Add BicBiomeCraft inspired biomes, tools, and items.

Advanced Biome Decoration Modpack
EmptyStar

A collection of advanced biome decorations

NC modified biome
xMajedz

NodeCore has too much grass