A collection of naturally occuring materials, including: sand, clay, dirt, stone, ore, metals, glass, various water types, oil, lava, grease, liquid soils, and decorative stones.
NodeCore Nature: Revised
Updated, fixed, enhanced edition of Winter94's NodeCore Nature
Alien Tools Mod for Minetest - adds Alien Tool, Shield, biome, etc
Multiple Biome Generator
230 Pseudorandomly Generated Biomes, Trees, Fruits, Ores, Tools, and Liquids