Does not require CurateWP.
Related Posts by CurateWP is a lightweight plugin that allows you to display a list of related posts for the content on your website.
Quickly and easily add a section of related posts from within the post editor or in your theme’s code. The provided shortcode, Gutenberg block, and template function gives you the flexibility you need.
Minimal styles are provided for the layout to allow for easy customization while providing a fantastic and responsive base.