Bukkit

This plugin allows you announce/send Actionbar as message or on join/firstjoin (also ANIMATED ACTIONBAR)

GriefLog

edit all messages of your server

Fully customizable voting with ban/kick/day/night/rain/sun

Broadcast when Pixelmon gym's are Open

Skillz

The official InventorySee plugin by TehCoderHD!

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

Admin Utils

WebPortal

Per user, per world highly configurable compass mechanics.

Ore announcer, rewards, and anti X-ray

System

Ultimate Report

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

Custom Join Messages

[UNMAINTAINED] Display colors and text on name tags above the head.

ITEMEX - Players can exchange all Items with other players (FREE MARKET)

Create custom scoreboards using variables.

Cutting trees more realistic.