Sam Bull

Add a mailto link to your site so that every visitor gets a unique disposable 
address, generated through the TrashMail service.

TrashMail Contact Me

Generate unique disposable contact addresses for each visitor.

Louy Alakkad

This plugin gives you the ability to run the site in a language (Arabic for example) and use the admin panel in another (like English).
Just go to Settings » General and choose your language.

Admin Locale

This plugin allows you to change the language of the admin panel without changing the whole site language.

TrashMail Contact Me vs Admin Locale