Bukkit

A Skyblock Plugin

Pre-generates chunks, quickly, efficiently, and safely

This plugin allow full control of normal world generator

The multiworld plugin made by ferrybig

A plugin for Bukkit based Minecraft server that adds a floating island dimension similar to the old skylands.

PlotSquared

CityWorld

Creates Hunger Games styled arenas and gameplay

Its a plugin, but its mod-like: New mechanics, new worlds, custom bows and strucutres, faster game, survival reinvented.

Provides automated plots with protection (MultiWorld support)

IslandWorld - Survive on small isle

for use with InfinitePlots and WorldGuard, creates regions automatically for new players

Adds many new items to the game - from OPItems to utilities

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

Survive hordes of zombies as night stretches forever on

uSkyBlock

Exotic Garden

MagicLoot

Essentials tools in GUI --- 3️⃣0️⃣0️⃣ ACTIVE SERVERS ---

http://dev.bukkit.org/server-mods/infiniteplots/