Bukkit

The multiworld plugin made by ferrybig

Exotic Garden

A Skyblock Plugin

PlotSquared

MagicLoot

Creates cleanroom-style flat world generator with fully customizable layers. It can also be used to create empty space maps!

Provides automated plots with protection (MultiWorld support)

IslandWorld - Survive on small isle

uSkyBlock

Nothing but void!

A simple void world generator.

An Automated Hunger Games plugin!

Create massive trees in Minecraft! Choose your own sizes and block types!

This is a basic world generator that creates empty worlds. It's lightweight, easy to use, and very basic.

Lucky Blocks (Slimefun Edition)

This plugin allow full control of normal world generator

IslandCraft modifies the terrain generation to create an ocean with many islands; each island is a single biome.

Survival in a sea of acid - like skyblock but with boats!

CityWorld

An epic Minecraft Bukkit world generator