Bookstash - Bookstash is a free library of curated summaries from top nonfiction books.
Goodreads - See what your friends are reading.
wits.io - Weekly book summaries recommended by founders and makers
GoodBooks.io - Largest curated collection of 8,500+ book recommendations.
Instaread - Read or hear key takeaways of any book in minutes
Bookicious - Find the best new book to read with books collections for makers, founders and entrepreneurs.