Literal - Track your reading and discover your next favourite book
Readup - Track and improve your online reading habits.
Bookly - Let our in-house accountants take care of your small business needs through a secure online system.
Reading List - Reading List is a read-it-later app by Microsoft, which is bundled in Windows 8.1 onwards.
Flow Dashboard - Habit, task & goal tracking + quantified self
Lookmark - Track updates from the apps you've bookmarked on iTunes