Create discount coupons for first-time logged-in buyers in WooCommerce. Restricts coupon usage to only the user's first order and requires login.

A simple plugin to hide content from non-logged-in users using a shortcode.

Secure your content in the editor by user role with Secure Blocks for Gutenberg

The Who's Logged In Plugin provides a simple meta box on your dashboard home page that shows a list of users that are logged in