Bukkit

PowerNBT

Allows you to worldedit only in regions you own.

AntiMobSpawn gives you ultimate control over the creatures that spawn in your Minecraft worlds

A Safer Version Of WorldEdit

Control how long day and night last.

Allows chunk claiming using special terrain blocks.

A simple plugin to edit signs by right clicking. Support for WorldGuard and LWC permissions.

Allows you to enable fly mode in specific WorldGuard regions.

Quickly and easily turn on Redstone Lamps without redstone!

ScLoad

MultiverseHub

spawns

Allows teleporting to and from points to save time and make traveling easier!

Catacombs

RemoteBukkit allows admins to, with the help of a plugin, remotely use the server's console.

Adds improved brush capabilities to WorldEdit for applying schematics

Regios

A bit like Essentials

LokiBlocker

The Hidden Lorax will automatically plant saplings left on the ground.