Oku - Track your book lists and get recs from your friends
Lulu - Whether you're a teacher, photographer or hobbyist, share your expertise. Create & self publish your book today!
Calm - Calm.com can help you reduce stress and increase calm.
IngramSpark - IngramSpark is an Online publishing services provider platform that allows you to publish or print books that are in high quality, and its global distribution service enables you to post and share around the globe.
GoodBooks.io - Largest curated collection of 8,500+ book recommendations.
Blurb - Create and self-publish books, magazines & ebooks