Magma Conduits
FaceDeer

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

Badlands
AwesomeDragon97

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

Quartz
Evergreen

Adds quartz ore and some decorative quartz blocks

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.

Caverealms
HeroOfTheWinds

A mod for Minetest to add underground realms.

Nssb
TenPlus1

BIOME integration for nssm, the not so simple buildings.

Fireflies
Shara

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

block physics
GigaByte

Add pieces of broken blocks when breaking them.

Geodes
AwesomeDragon97

Adds amethyst geodes and an API for making custom geodes.

3d ores!
Soundwavez

a slick new take on the default ores!

Alien Material
debiankaios

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

Easy ores
X-DE

Minetest ores now generate higher up

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

NextGen Bedrock
StarNinjas

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

Swamplified
Neuromancer

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

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

In the Fog
Jo5629_

Herobrine has entered your world.

Coconut Trees
AwesomeDragon97

Adds coconut trees that appear on beaches

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

Zinc
alerikaisattera

Zinc metal, used for making brass

Sailing
cakenggt

Live in a tropical paradise where you can sail, mine coconuts, etc.

Meze
Calinou

A special ore that kills you when mined.

Boring RPG
Lebedev

New items blocks and other pieces are waiting for you here

Grave
ElCeejo

Adds an eerie biome with multiple mobs.

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.

XNether
Ghaydn

Adds trees, grass and ores to PilzAdam's Nether

Winuser Leafdecay
Liil

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

Chemistry
Emiliano

A package that adds More Ores and Things

Herbs
Clyde

Adds 15 flowers and 6 mushrooms.

Underground Challenge
Hypernoot

Explore all 62 underground biomes!

Ancient Bones
karlexceed

Adds bones with loot to dungeons.

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.

Desert Ores
DumbDave961

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

Magma
SuperStarSonic

Adds volcanoes, lava vents and new magma blocks

Generic moon of Saturn
Red_King_Cyclops

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