KSurvive 2
MadKamel

A game built 100% from scratch, including code, textures and sounds.

Alien Tools
chaosomnium

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

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.

Kitty/Kitto Ores
nemokitty9

Nemokitty9's own ore pack. Includes Tools!

Multiple Biome Generator
chaosomnium

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

Alien Material
debiankaios

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

Cloud Items
Panquesito7

Powerful cloud tools.

Loria (alpha)
siegment

Survival in hardcore acid-alien sci-fi themed world

Technic Plus
mt-mods

Technic fork with focus on features and stability

Water Life
Gundul

new mobs for your river and sea water

Base Modpack
karlexceed

This combines several other mods that I consider a basic minimum starting point for worlds.

Trucraft
PolySaken

An alternative crafting system done entirely in the world.

Draconis
ElCeejo

Adds advanced Dragons and powerful equipment.

Randomized Map-specific Ores
Piezo_

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

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

Obdy
Sires

Adds some pretty OP tools :)

Melterns
IcyDiamond

Tinkers Construct in Minetest!

Technic
RealBadAngel

Extensive machinery mod with electricity and ores.

Caverealms Lite
Shara

A mod for Minetest to add underground realms.

Ethereal NG
TenPlus1

Ethereal mod uses the v7 mapgen to add many new biomes to the world.