Bukkit

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Add survival-friendly craftable mini blocks to Minecraft!

Admin Utils

An unbreakable pickaxe with 20 levels (POG), which improves level by level !

A pack of custom enchantments for use with EnchantmentAPI

Removes the dirt screen that appears when changing worlds.

Safe Creeper - Control creeper explosions, Enderman, TNT, Fireballs and a lot more!

Easily add cooldowns to any command!

Redefining Weather

SignLink

Xp Bank

RaspberryJuice

EnchantPlus

Players keep items and experience on death.

A custom shop for spawners in a GUI

Teleport system with craftable items and blocks, no commands

RegenBlock beta 2.2 - Regenerate destroyed blocks on a timer

Classes, Skills, Experience, Damage System

Chimneys SMP

Create your own fully customizable explosives; presets: craft Nuclear, Flash, Normal and Toy bombs