With this Plugin you can change the boring standard Messages/Commands from Bukkit (like say, whitelist,...). Also this plugin adds useful commands for your server to manage and own it. You can change the Join and Quit message. Some of the new commands are /announce, /news or /cc. A full list of the commands you can see down.

Change Join, Quit Message
Change FirstJoin Mesage
The default bukkit Command looks better than the normal
Big Configurations, where you can Disable/Enable all Commands
Configurate the most Messages of the Plugin
...

/say <message> - The Say Command with Colors and more
/whitelist <on/off/list/reload> - The Whitelist Command with Colors and more
/announce <message> - To Announce news
/gamemode <gamemode> [Player | all] - Set the Gamemode
/news - Shows the Server news
/op [Player | all] - Op a Player/the hole Server
/deop [Player | all] - DeOP a Player/the hole Server
/cc - Cleares the Global Chat
/pcc - Cleares his own Chat
/smp - ServerMessagesPlus Informations and Commands

more coming soon like /op, /weather, /ban, /kick ...

ServerMessages+.Command.Say - Need to use the say Command
ServerMessages+.Command.Whitelist.* - Need to use the Whitelist Command

ServerMessages+.Command.Whitelist.Reload
ServerMessages+.Command.Whitelist.On
ServerMessages+.Command.Whitelist.Off
ServerMessages+.Command.Whitelist.List
ServerMessages+.Command.Whitelist.Add
ServerMessages+.Command.Whitelist.Remove

ServerMessages+.Command.Announce - Need to use the Announce Command
ServerMessages+.Command.Gamemode.* - Need to use the Gamemode Command

ServerMessages+.Command.Gamemode.Survival
ServerMessages+.Command.Gamemode.Creative
ServerMessages+.Command.Gamemode.Adventure

Metrics This plugin utilises Hidendra's plugin metrics system, which means that the following information is collected and sent to mcstats.org:

A unique identifier
The server's version of Java
Whether the server is in offline or online mode
The plugin's version
The server's version
The OS version/name and architecture
The core count for the CPU
The number of players online
The Metrics version Opting out of this service can be done by editing plugins/Plugin Metrics/config.yml and changing opt-out to true.

ServerMessages+