Bukkit

YAEP (pronounced "yep!") is a lightweight alternative to heavier "essential command" plugins like Essentials.

A plugin that has multiple broadcasts.

Filters out your server logs and separates your server.log into multiple folders

Add reports to ChestShop

Bradster's Administration Panel for PermissionsEx

MailerMan

WWW CMS (Content Management System)

Allows you to save player statistics across multiple servers as well as making them available for display on your website.

Message Of The Day!

Mod-Helper is a plugin that allows a user to access a in game wiki and get be edited by the server owner.

Easily see your cash without a command

DB Status

This plugin displays that there are no plugins installed.

A German Command Compilation inspires from Commandbook and Essentials

AdminDuty

MenusDeluxis a plugin that makes a menu that is sent to the player with /menu name.

xChat | Lightweight and simple chat plugin.

Server online sign

McLogin

A Admin/Moderator plugin for better player/admin managing