NodeCore Nature: Revised
Warr1024

Updated, fixed, enhanced edition of Winter94's NodeCore Nature

Loria (alpha)
siegment

Survival in hardcore acid-alien sci-fi themed world

Base Modpack
karlexceed

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

Caverealms Lite
Shara

A mod for Minetest to add underground realms.