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