Goodreads - See what your friends are reading.
Blinkist - Key insights from 6,000+ bestselling books and podcasts
LibraryThing - A home for your books.
Instaread - Read or hear key takeaways of any book in minutes
BookLikes - BookLikes is a free blog platform for book lovers. 100% independent and free.
wits.io - Weekly book summaries recommended by founders and makers