Nicolas Bouliane

Displays a custom message on the dashboard with full HTML/PHP/JavaScript support. Useful for administrator who have clients as users.
The plugin will display anything that’s in the message.php file in the plugin’s directory. Since the plugin uses a simple include, 
any kind of content is supported.

Dashboard Message

Displays a custom message on the dashboard with full HTML/PHP/JavaScript support. Useful for administrator who have clients as users.

Abhik

The WordPress Server Load Plugin adds a Server Load Averages and Server Uptime widget into your Admin Dashboard.
This Plugin does not add any options page in your WordPress Admin Dashboard. After activating the Plugin, go to your Admin Dashboard Home and see the new widget.
Plugin developed by <a href="http://www.itsabhik.com" rel="nofollow ugc">Abhik</a>.

WordPress Server Load

The WordPress Server Load Plugin adds a Server Load Averages and Server Uptime widget into your Admin Dashboard

Dashboard Message vs WordPress Server Load