Goodreads - See what your friends are reading.
GoodBooks.io - Largest curated collection of 8,500+ book recommendations.
LibraryThing - A home for your books.
Job Title List - Job Title List is a database of 4000+ job titles with data points that help to understand what jobs are trending right now.Filter by search volume, growth, cost-per-click (for related Google ads), and country.
BookAuthority - BookAuthority collects the most recommended books on business, technology and science - as featured on CNN, Inc and Forbes
Avo - Prevent human errors when implementing analytics