Goodreads - See what your friends are reading.

Tangent.fyi - Cross-media recommendations: find the book like that movie, the podcast like that show. Tangent maps your taste across books, movies, TV, and podcasts and surfaces what to read, watch, and listen to next.

ReadIt Club - Local book clubs, global conversations, online discussions, and reading journals.

Hardcover - Hardcover is a social network for people to track what they read and want to read, make lasting connections with other readers and find life-changing books.We're anti-Amazon, pro-author, actively pursuing feedback and just getting started.

Likewise - Get recommendations you love, from people you know.

Online Book Club - OnlineBookClub.org is an awesome site for readers. We have international book discussions, virtual bookshelves to track what you have read, original book reviews and much more!