This page briefly describes technologies used on this web site.
https://www.djangoproject.com/ states: Django makes it easier to build better Web apps more quickly and with less code.
It actually does.
All content is written in reStructuredText and automatically converted into HTML with titles, images, figures and tables. While this is definitely not appropriate for vast majority of websites, as content editor must know a lot about underlying system, here it saves time.
Django Grappelli and Django Filebrowser
This just makes Django Admin much more usable.