Adds advanced Dragons and powerful equipment.
Multiple Biome Generator
230 Pseudorandomly Generated Biomes, Trees, Fruits, Ores, Tools, and Liquids
Adds new blocks, items, and tools from aliens. A new time begins.
This combines several other mods that I consider a basic minimum starting point for worlds.
Nemokitty9's own ore pack. Includes Tools!
An alternative crafting system done entirely in the world.