Bukkit

Generates an infinite SkyGrid world. Idea by SethBling

This mod Spawn Random Structures every minute.

Turns Bedrock and TnT to Stone or Air!

MultipleWorlds

Powerful and full automatic SurvivalGames with an own WorldGen.

A plugin that implements flood filling commands

this mod make pixel art by only one command

Religion based warfare plugin, with custom religions and custom effects.

Fjord

SkyGridGen is a world generator for Bukkit servers

Pseudo-sequel of CityWorld

SkyBlock Made Easy! No setup needed.

Changes the gameplay to a complete PVP opposing two teams, with evolution in time and zones.

Allows for players to have private worlds.

skySMP+ - SkyBlock survival multiplayer implementation.

Diggy Hole

an epic survival game

World Regeneration, Factions Wilderness Regeneration

Sky Island Generator

Break a ore and a stone block is replaced by it.