I ended up going with 'miniflux', which is PHP and not packaged by debian.

python
    https://github.com/toxinu/leselys (+mongo)
    http://1pxsolidblack.pl/jarr-en.html

ruby
    https://github.com/swanson/stringer

debian-packaged
    tt-rss 
        https://github.com/tobidope/ansible-tt-rss