Kooba - An interactive graph for finding new books
100 Million Books - Discover books every time you open a new Chrome tab.
Booknshelf - Social book and bookshelf discovery platform.
Bookshop UK - Support local bookshops
Bookswell - Book recommendations from famous writers and thinkers
TasteDive - TasteDive recommends similar music (musicians, bands), movies, TV shows, books, authors and games, based on what you like.