Draconis
ElCeejo

Adds terrifying Dragons and powerful equipment.

Villages
Sokomine

Explore the world and find villages of diffrent types. Buy a house in a village and settle down.

Variety
Atlante

Add many beautiful biomes.

pathv7 redo! (Mapgen V7 only)
1F616EMO

Creates a worldwide network of paths, bridges and tunnels.

Multiple Biome Generator
chaosomnium

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

Native Villages
Liil

Adds villages of native people to the world.

Epic Combat
hilol

Fight your enemies with various weapons and protect yourself with distinct sets of Armour, whilst sharpening your skills in PVP and PVE.

The Road (NC)
Winter94

This is a port of thelowerroad for NodeCore that adds a long road from -Z to +Z to the world, during world-generation.

Grave
ElCeejo

Adds an eerie biome with multiple mobs.

New Biomes
Arkatron

If you like underground biomes, this thing is for you.

Fragments
Amaz

A mapgen with a goal, with things needed to advance to the next level.

treasures
ademant

Treasure nodes with useful items