One Random Book - Why not let us choose your next read?
Nucleus - Curate the best of what you're reading for your network
Knowall - Book Recommendations from Friends
Readapt - Designed for those with reading challenges like dyslexia and poor vision.
Rocket Reads - A simpler alternative to Goodreads
Jiffy Reader - Jiffy Reader is a browser extension that allows you to read any website faster.