Prime Reading alternatives

POLAR is a powerful offline browser for Mac, Windows, and Linux for managing all your web content, books, and notes. Polar keeps all your content in one place, supports tagging, annotation, highlighting and keeps track of your reading progress. POLAR allows you to keep all your documents, annotations, and flashcards in once place.

Periodical is like Goodreads except for online articles (not books), and it looks and reads like The New York Times (by displaying your tracked articles as a newspaper). Explore the information of the modern web with the vibe of former days.