Bukkit

Funny game! Random teleport, chests appear and disappear, kits

Generate world structures manually (villages, strongholds, temples, etc.)

Anti Macro | Kick Players | Fully Customizable | Freeze

Double the depth of your world

Flatlands World Generator

A World-Generation Plugin that creates and manages space worlds.

Sewers

PvPGames Automated

Generates a flat map

AdventWorld supplies multiple world configuration ideal for multiplayer adventure maps/servers.

A world modification plugin for Magic

A 1.7.3 terrain generator for newer bukkit servers

A per-person world plugin

Hoth generator

Enables to play "The Walls" full automatic. Supports Multiworld and multiple Arenas.

Some banks for your server (Economy Banks, Lottery, Shops, Save items and more).

Spawns minecraft .schematics randomly in newly generated chunks

A simple void world generator.

The super customizable survival games experience

Bomberman for Minecraft