title: Django multi-select widget?
body: <p>The Django admin site makes use of a really cool widget:</p>
  
  <p><img src="https://i.stack.imgur.com/ybe24.png" alt="enter image description here"></p>
  
  <p>How can I make use of this widget in my own applications? I don't see anything like that <a href="http://docs.djangoproject.com/en/dev/ref/forms/widgets/#ref-forms-widgets" rel="noreferrer">listed here</a>.</p>