Bukkit

LevelManager

DevUtility

A bukkit plugin to set player-specific or server-wide MOTDs

sSoup

A warps plugin, like the one that Essentials has. You may set a teleport message for every warp

Simplify the Gamemode Command

TheTrollBox

War Plugin - Adding guns and grenades!

ZeroProxy

setHealth

UnlimitedSlots

Tag

Spawn Ender Crystals!

A uniform password to be able to join the server

Simple and Lightweight plugin for sign modification

Easy, Comfortable and full configurable.

Tectonigrated

OpTracker

This plugin is the sequel to AlphaChest (not made by me). It lets you open up a virtual enchantment table and crafting table.

Slap players (also in Creative mode) with defined HP and more!