It can be installed from repository and tested with lastest stable Django 1.6.x
ps: Soon it will be uploaded to pypi
Maximiliano Robaina announced django-firebird 1.6 beta
A few days of the Django 1.6 was released, django-firebird is now in beta 1 stage. Feel free to fork from master branch or download and try it.
Remember that is using fdb as a default driver.
Any feedback is welcome.