crimson090

Displays an indicator above the admin bar indicating the current environment. Useful for quickly determining which 
environment you are currently viewing.
This only displays in the WordPress admin, not on the website itself.

WordPress Environment Indicator

Displays an indicator above the admin bar indicating the current environment.

macbookandrew

This plugin adds the css class <code>.has-children</code> to menu items that have a submenu to allow css styling.

Menu Child Indicator

Adds the css class .has-children to menu items that have a submenu to allow css styling.

WordPress Environment Indicator vs Menu Child Indicator