Just like Rails has some drop-in "fixes" (i.e. the admin) that don't come with the core, Django does as well.
Dependency management: pip requirements files.
Migrations (which the author doesn't like, but are pretty useful on a non-trivial project): South
Various other goodies: django-extensions
There are constant debates over whether XYZ should be in the core (see: South), or at least better discoverable, but if you're going to use a framework seriously it's worth it to evaluate as "framework + its stable and commonly accepted extras".
Dependency management: pip requirements files. Migrations (which the author doesn't like, but are pretty useful on a non-trivial project): South Various other goodies: django-extensions
There are constant debates over whether XYZ should be in the core (see: South), or at least better discoverable, but if you're going to use a framework seriously it's worth it to evaluate as "framework + its stable and commonly accepted extras".