Bukkit

Have different spawn points for different worlds.

Multiworld management made easy

Multiworld aware, coloured player lists

BattleConomy MultiWorld Economy System

BlueTelepads - Seamless, commandless, admin or player controlled multiworld teleport

A multiworld, superperm compatible chat manager

Multiworld compatible Superperm Manager

Multiworld-Manager/-Teleporter

A super chat system to make multiworld chat channels easier to handle!

Enables multiworld support

Bandage-fix for maps in multiworld setups

HardcoreAdventure - Hardcore Mode: with achievements, multiworld support, stat tracking, and more

Simple warps with SuperPerms, warps.txt and Multiworld

Automatically changes GameMode of Players, when they are changing world!

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

This is a bukkit plugin that will let you not see players in other worlds using Multiworld. EX. Multiverse

Homes, Warps, MultiWorlds, RandomTP, MultiRandomSpawn and more

Multi-worlds for your server

The multiworld plugin made by ferrybig

WorldWarp - No BS, Pure MultiWorld!

Per world Level Saving, Rollback any external world (Multiverse, Multiworld etc)

A Minecraft plugin for custom multiworld portals with support for multiple servers.

Take your pets with you to other worlds. MultiVerse compatible!

Provides automated plots with protection (MultiWorld support)