bookclub is a beautiful way to track and share the books you read.
ShelfTaught is for sharing books in your areas of interest, being recognized for your expertise, and connecting with others.
It's for finding books and people in niches you want to learn about; powered by expert rank, not popularity (see maker's comment).
What are the best books to learn about B2B, or sales or B2B & sales? Ask ShelfTaught
GoodBook is source of thousands of free books from public domain. It also includes free audiobooks and powerful e-reader features.
Books At Work sends 20 minute non-fiction book summaries to all the employees in your company via email each week. Your employees who don't get time to read books can make use of these summaries to develop themselves. Hopefully, a company that uses BooksAtWork.co will become smarter each day.
List Horizon is an app that helps you sort through the best Science Fiction novels since the 1950s as decided by the Hugo and Nebula award bodies. You can also view associated media such as audiobooks, movies, tv shows, and Pinterest posts, as well as track your reading stats.