Basic HTML and CSS skills are enough to create your own Gutenberg Blocks with Lazy Blocks.
Built with HTML5, performance and accessibility in mind, WS Form Lite is definitely worth a closer look.
With WP Extended Search you can configure the native WordPress search to your hearts content.
Perform quick changes to .htaccess file, directly from the WordPress dashboard.
Redirection is a mature and robust redirection plugin, for managing 301 redirections and logging 404 errors.
Create custom post types, custom taxonomies or custom fields, or extent existing post types, with this all-in-one free plugin.