I really like the model of Feedbin[1], Up front no BS business model of "you give us money, we track your rss feeds" They are even open source too (MIT) [2].

I really like the model of Feedbin[1], Up front no BS business model of "you give us money, we track your rss feeds" They are even open source too (MIT) [2]. 1: https://feedbin.com/ https://feedbin.com/ 2: https://github.com/feedbin/feedbin https://github.com/feedbin/feedbin