Libboo alternatives

Libboo
Libboo connects buzzers (readers who love to share and talk about books) with books they'll enjoy, to create the next digital bestseller and help talented authors get discovered. Buzzers get rewards such as free ebooks, and increase their influence by sharing great writing with their friends and followers via social media, email, and other online channels.
Libboo alternatives are:
Goodreads
Libboo reviews
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