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.

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.

block physics
Giga_M

Add pieces of broken blocks when breaking them.

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.

Geodes
AwesomeDragon97

Adds amethyst geodes and an API for making custom geodes.

Alien Material
debiankaios

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

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.

Kitty/Kitto Ores
nemokitty9

Nemokitty9's own ore pack. Includes Tools!

UFO wreck
Irremann

UFO wreck

Coconut Trees
AwesomeDragon97

Adds coconut trees that appear on beaches

Swamps
Hybrid Dog

Adds swamps

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

Meze
Calinou

A special ore that kills you when mined.

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.

Grave
ElCeejo

Adds an eerie biome with multiple mobs.

Giant Mushroom/ Mushrooms
Hybrid Dog

Add mushrooms and giant mushrooms.

Nether addons
DragonWrangler

adds more nodes and decorations to the nether

XNether
Ghaydn

Adds trees, grass and ores to PilzAdam's Nether

Generic moon of Saturn
Red_King_Cyclops

Replaces the default earthlike setting with a generic moon of Saturn.

Bamboo
AwesomeDragon97

Adds bamboo which generates in jungles and can be used as a crafting ingredient.

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.

Underground Challenge
Hypernoot

Explore all 62 underground biomes!

Desert Ores
DumbDave961

Generates ores in deserts and other biomes. Also spawns raw ore blocks if enabled. Biome specific ore node variants coming soon.

summer
ulla

SUMMER

Winuser Leafdecay
Liil

With this additiona leaf decay, all trees in naturalbiomes, livingdesert, livingjungle and livingfloatlands have a working leafdecay function.

Herbs
Clyde

Adds 15 flowers and 6 mushrooms.

Valleys Mapgen
Gaël de Sailly

A map generator with valleys, rivers, mountains and many plants.

Ancient Ice Stuff
Robot10&Scheletor

Adds a new powerful ore to the game

Magma
SuperStarSonic

Adds volcanoes, lava vents and new magma blocks