Brain Pickings
https://www.brainpickings.org/
Brain Pickings is maintained by Maria Popova. She reviews all kinds of books, philosophers, and provides cross-references for related reviews. Rather than reviewing any and all material, this is a personally curated list of reviews.
London review of books
Published twice a month, the London Review of Books is a magazine on ideas and culture. In addition to book reviews, you can also find a diary, letters, movie and exhibition reviews, ‘short cuts’, reportage, memoirs, and poems.
Notre Dame Philosophical Reviews
Notre Dame Philosophical Reviews is a journal that publishes high-quality and substantive book reviews of the academic philosophical books released every year. The journal is peer-reviewed and available for free.
Aeon
Aeon is a digital magazine offering provocative and profound answers to the big questions about humanity. Its content is in the form of essays as well as videos.