Bukkit

The multiworld plugin made by ferrybig

A Skyblock Plugin

Exotic Garden

Provides automated plots with protection (MultiWorld support)

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

MagicLoot

PlotSquared

uSkyBlock

A simple void world generator.

Teleporting Made Easy

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.

Lucky Blocks (Slimefun Edition)

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

An Automated Hunger Games plugin!

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