NodeCore
Warr1024

Minetest's top original voxel game about emergent mechanics and exploration

MineClone 5
kay27

A fork of MineClone 2 with no release milestones, rapid delivery, merges by one approval and no MC target version limitations. But technically it's still MineClone 2.

Loria (alpha)
siegment

Survival in hardcore acid-alien sci-fi themed world

PaleoTest
ElCeejo

Adds Prehistoric Fauna and Flora to Minetest Game

NodeCore Stairs
Warr1024

Adds an assortment of stairs and slabs to NodeCore

Ocean
StarNinjas

Adds coral reefs, fish, decorative ocean blocks and much more!

Dirtcraft
dayer4b

Adds automatic crafting recipes for making most kinds of dirt

KSurvive
MadKamel

A game that changes much of MTG's gameplay.

Multiple Biome Generator
chaosomnium

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