Recommended by (xyz)
https://twentig.com/ - enhances default WP blocks
(Mike Hindle)
https://wordpress.org/plugins/icon-block/
(Mike Hindle)
https://www.wpsitecare.com/best-wordpress-plugins/
https://www.relatedpostsforwp.com/ (premier and free versions)
https://wordpress.org/plugins/display-widgets/ (9.19.17 - backdoor vulnerability: do not use)
https://wordpress.org/plugins/widget-options/
Restrict Widgets (dFactory)
https://wordpress.org/plugins/genesis-featured-image-header/
https://www.wpexplorer.com/plugins-organize-media-library/
https://wordpress.org/plugins/media-library-organizer/
Genesis Simple Hooks
Forums: bbPress and buddypress are the two most common plugins to setup a forum.
bbPress has more support so it may be good to start.
Affiliate links:
https://wordpress.org/plugins/thirstyaffiliates/
https://wordpress.org/plugins/easy-affiliate-links/
https://wordpress.org/plugins/pretty-link/
https://wordpress.org/plugins/genesis-easy-columns/ - provides buttons for column classes shortcodes (good for clients)
Adding support for WooCommerce in Genesis - you are advised to use Genesis Connect for WooCommerce
https://wordpress.org/plugins/genesis-connect-woocommerce/