If I just want to catch up, there're River5[1] and NewsBoat[2], or build-your-own-aggregator apps. The latter is a console app with a UI like Vim's; I like its fast filtering with '/'. The downside of apps is there's no grooming in comments.

[1] https://github.com/scripting/river5 [2] https://github.com/newsboat/newsboat