Ethereal NG
TenPlus1

Adds many new biomes, items and mechanics into the world.

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.

Extra Biomes
CowboyLv

Adds extra biomes, while keeping its looks close to the vanilla MTG

pathv7 redo! (Mapgen V7 only)
1F616EMO

Creates a worldwide network of paths, bridges and tunnels.

Caverealms Lite
Shara

A mod for Minetest to add underground realms.

Wilhelmines Living Jungle
Liil

Adds a new type of dense jungle biome to your world

Technic Plus
mt-mods

Technic fork with focus on features and stability

Native Villages
Liil

Adds villages of native people to the world.

Other Worlds
TenPlus1

Adds asteroid layers and height-based skybox switches to create space environments.

Nether
Hybrid Dog

The underworld for Minetest.

Pyramids (with treasures)
Wuzzy

Pyramids with treasures!

Australia
demon_boy

Adds a wide variety of Australia-themed biomes and content

the curse of the corngirl
Soundwavez

adds a creepy cornfield, with a dark secret...

Baked Clay
TenPlus1

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

Algae
Just_Visiting

Algae mapgen addition to "Minetest Game"

Wilhelmines Marinara
Liil

adds water structures and coral reefs to the oceans of your world

Wilhelmines Natural Biomes
Liil

Adds 9 new biomes

Rail Corridors + Treasures
Wuzzy

Adds simple underground mines with railways and occasional treasure chests.

Technic Plus Beta
mt-mods

The technic modpack extends the Minetest game with many new elements, mainly constructable machines and tools.

The Lower Road
Deadlock

Adds a long road from -Z to +Z to the world, during world-generation.

Sunset Biomes
RisingLeaf

Adding two biomes and stuff around them.

Ruined structures
X-DE

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

Wilhelmines Living Floatlands
Liil

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

Livingcaves
Liil

Adds more life to the caves of your world

Nssb
TenPlus1

BIOME integration for nssm, the not so simple buildings.

Caverealms
HeroOfTheWinds

A mod for Minetest to add underground realms.

Fireflies
Shara

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

Quartz
Evergreen

Adds quartz ore and some decorative quartz blocks

In the Fog
Jo5629_

Herobrine has entered 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.

Swamps
Hybrid Dog

Adds swamps

UFO wreck
Irremann

UFO wreck

Zinc
alerikaisattera

Zinc metal, used for making brass

Dyes for Extra Biomes
Skivling

Deprecated because after ebiomes v1.5.0, dye recipes are included by default, making this unnecessary. Adds dye recipes for the flowers from Extra Biomes.

Giant Mushroom/ Mushrooms
Hybrid Dog

Add mushrooms and giant mushrooms.

Wilhelmines Living Desert
Liil

Adds plants to the default deserts of minetest game.

XNether
Ghaydn

Adds trees, grass and ores to PilzAdam's Nether

Nether addons
DragonWrangler

adds more nodes and decorations to the nether

Chemistry
Emiliano

A package that adds More Ores and Things