Bukkit

The Ultimate Plugin For Economy Based Server!

Set up redstone wires as high voltage cables to protect areas

A new way to craft by dropping items into a cauldron.

XP Item Stoarge allows any item to be turned into a way to store XP Levels or XP Experience.

Very Simple Light-Weight Anti-Grief plugin!

DeathBukkit allows players items to be preserved after death, so that they can be recovered.

StopProxy - Protect your server from Proxies, VPN & Bots!

The Ultimate Flight Control Plugin

AngelStarterChest allows you to set a chest and put items in it that new players will get upon join.

Simulate Erosion, sedimantation processes

Spectate your killer briefly before respawning, similarily to most FPS games

You can now lock your ships (Movecraft) !

Customizable per world inventory features

KitBlock will alert users with a customisable messages that you do not offer the usage of /kit.

DotLegit

Autojump on to blocks just by moving against them

UltraItems

Automated piggy racing in Minecraft

vHunger

A simple, light weight plugin that allows players to have a configured amount of personal chests via a command.