I think I will refurbish this old project:
github.com/cedricbonhomme/Gren

A demo instance is running on Heroku.

Could be of interest ?

is a web news aggregator I wrote in (with ).

The source code is under v3 and hosted on :
sr.ht/~cedric/newspipe

It is self hosted, but you can use the official instance:
newspipe.org

Fosstodon

Fosstodon is an English speaking Mastodon instance that is open to anyone who is interested in technology; particularly free & open source software.