kengher

Broadcast simple, important alerts across your multisite network. Also great for single sites.
Features of Site Alert: 
* Display alert(s) in the Homepage with option to show in all pages of a site. 
* Native WordPress WYSIWYG message creation box for simplicity with media support. 
* Choice of hardcoded at the different parts of the page, or make it a pop-up modal. 
* Indicate different priority levels (colors) and icons. 
* Set a date range to publish/unpublish the alert.
Features as a Network Admin 
* Show alert across all all sites in your multisite network. 
* Exclude alert(s) from certain sites. 
* Site Groups manager to provide easier bulk exclusions.

Super Simple Site Alert

Broadcast simple, important alerts across your multisite network. Also great for single sites.

Oscar Alvarez

cansants

Este plugin permite mostrar el aviso de Cookies para que el visitante pueda sea consciente y acepte el uso de Cookies.
Compatible con WPML, posibilidad de personalizar el lugar de aparición del aviso, asi como colores de fondo y texto, incluso 
estilos css personalizados.
Ficheros de idiomas disponibles: Ingles, Castellano y Catalán.

Cookie Monster

Este plugin permite mostrar el aviso de Cookies para que el visitante pueda sea consciente y acepte el uso de Cookies.

Super Simple Site Alert vs Cookie Monster