The best alternatives to PaperOak are Play, Audioread (formerly Audiblogs), and Pocket. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of PaperOak?
Intercom— Startups get 90% off Intercom, the complete AI first customer service platform
Audiblogs lets you listen to any web article in your podcast player in an Audible-like voice. Use it to "read" while you exercise, cook, do house chores, etc.
elocance is a mobile app that lets you save and curate YOUR OWN content, turn it to audio and listen on the go. Features include HD voice options and accents you can pick from, playlists, newsletters directly in the app, reminders for when to listen and more!
LinKeep allows you to store, catalog and share all the links of your interest quickly and easily. The idea behind LinKeep is to concentrate all the links within the same app, so as not to lose and be able to find them more easily. Keep and manage you links!