Requires iOS 5 or higher
NCInfo is a NotificationCenter widget that allow you to display the system information and text with custom format and process an action when you tap the widget.
You can get the info like available memory, disk space, current time, wifi ssid, ip address...etc.
You can also custom the font size, color, position, view height and refresh rate.
NotificationCenter addons can be enabled from the Settings app, in the Notifications panel
Configure options from Settings app.
See larger Screenshots below