Bukkit

Automatic inventory switching for groups of worlds - fast, free and simple.

A simple and easy to configure plugin that lets you announce to the server when a new player joins for the very first time.

IslandWorld - Survive on small isle

[THE ONE TRUE WILD TP] Teleports to random location with no sounds cost and cooldown along with GUI

A random teleport plugin for staying between the WorldBorder! Custom restrictions and more

Nexus

Steve Home Protect

Teleports you to a random location every time. Never the same place as last time

Convert worlds into instanced dungeons.

The Exploration-Friendly Teleportation Plugin

A server mod that comes with many useful commands. This plugin is still inDev.

Towns can now require buildings that do stuff

Lobby

Create portals similar to those in Valve's Portal!

Hive Jump Pads

BackAgain

Plugin that allows all players to teleport using experience

WarpPortals

The reference in long-distance redstone transmissions!

Cool multihome plugin.