Blurb - Create and self-publish books, magazines & ebooks
SEMRush - All-in-one Marketing Toolkit for digital marketing professionals.
CreateSpace - Publish your words, your way
Majestic - Majestic - Link intelligence tools for SEO and Internet PR and Marketing. Site Explorer shows inbound link and site summary data.
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.
Moz - Backed by industry-leading data and the largest community of SEOs on the planet, Moz builds tools that make inbound marketing easy.