Bukkit

rMessages

Limit the rate in which player's can send messages & commands!

Marionette

DragonConsole, This plugin allows you to type as you would in a server but in the cmd / console!

LoginVip

Simple Anti Swearing Plugin

Auto Broadcast Messages By A Scheduler

This plugin broadcasts a message when a player joins a server.

A lightweight way to warn your players.

You are able to talk and receive minecraft player chat without being logged into an account

Stop those mischievous players with AntiSwear 2.0! More compatible with 1.8 and cooler!

Harassment

Add crazy commands to your minecraft server for the fun of it!

Sending|Replying|Forwarding done easy

Give players a prefix, suffix, and name color in TAB/above head

SimpleAchievements

This plugin allows you to see all your players commands!

Stack those spammy join leave messages into one.

Provides a better Player List (Tab list)

A new Gang Plugin for your Server!