Bukkit

The multiworld plugin made by ferrybig

Exotic Garden

A Skyblock Plugin

Provides automated plots with protection (MultiWorld support)

MagicLoot

PlotSquared

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

uSkyBlock

Teleporting Made Easy

A simple void world generator.

Nothing but void!

IslandWorld - Survive on small isle

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

An Automated Hunger Games plugin!

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

Lucky Blocks (Slimefun Edition)

This plugin allow full control of normal world generator

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

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

CityWorld