homepage.html

{% for model1 in model1s %}
{{ model1}}
{% endfor %}

urls.py

from app1.views import HomepageView

urlpatterns = patterns(
...
    url(r'^$', HomepageView.as_view(), name="homepage"),
...
)

views.py

from django.views.generic import TemplateView

from app1.models import Model1
from app2.models import Model2

class HomepageView(TemplateView):
    template_name = "homepage.html"
    
    def get_context_data(self, **kwargs):
        kwargs = super(HomepageView, self).get_context_data(**kwargs)
        model1s = Model1.objects.all()
        model2s = Model2.objects.all()
        kwargs.update({"model1s": model1s, "model2s": model2s})
        return kwargs