by andreyk on WordPress.org
Makes your site content visible only for several users who are in your trusted list.
Just add usernames of those who are allowed to read your site, then no other person will be able to view it.
Add a widget area to the footer of any theme.
This plugin shows the password field (with MD5 Encryption) in the table of the Users section in the WordPress dashboard.
Export Users Data and Metadata to a csv file