We used to use Haystack, but found it a bit too opinionated for us once we wanted to do some custom stuff. It is a bit more faithful to the Django queryset API

We used to use Haystack, but found it a bit too opinionated for us once we wanted to do some custom stuff. It is a bit more faithful to the Django queryset API, something we had to abandon to let us use more of the complex Elasticsearch query features.