Inkshares - Tinder for book ideas
Blurb - Create and self-publish books, magazines & ebooks
Reedsy - Reedsy is a complete book publishing platform with an elegant, collaborative online editor.
CreateSpace - Publish your words, your way
PublishDrive - Self-publishing platform for business-driven indie authors.
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.