Literal - Track your reading and discover your next favourite book
Feedly - The content you need to accelerate your research, marketing, and sales.
Bookling - Track your reading habits and set goals
Pocket - When you find something you want to view later, put it in Pocket.
Readup - Track and improve your online reading habits.
Inoreader - Dive into your favorite content. The content reader for power users who want to save time.