This File Management & Digital Store plugin which will help you to control file downloads & sell digital products from your WP site.
Choose a single password to protect your entire wordpress site from the public and search engines
Ultimate content restrictions and private page plugin for WordPress. Allows you to restrict content from guests as well as specific user roles.
WP Content Protection plugin is used to protect the content.No membership required for this protection.
WP Curtain is a simple plugin that allows you to hide your website from the general public and display an elegant countdown timer.
This plugin allows a second password option and thus making your website doubly protected.
HTTP Basic Authentication as secondary defense for wp-admin - blocks brute force attacks. Also blocks users (bots) with No-Referrer Headers.
This plugin puts a global password selected by you on all posts. Based on Matt Mullenwegs plugin "Protect old posts"