Multiple Biome Generator
230 Pseudorandomly Generated Biomes, Trees, Fruits, Ores, Tools, and Liquids
pathv7 redo! (Mapgen V7 only)
Creates a worldwide network of paths, bridges and tunnels.
Signal your friends, or warn your enemies!
Adds non-entity mobs called Wisps
Draw power from the world, and use it to power machines and tools.
Emerald Bank (MineClone)
Keep your Emeralds in a Bank