atdev

The phpMyDirectory WordPress plugin allows wordpress users to log into phpMyDirectory. The plugin is configured in the WordPress admin area.
Users only need to log in once and they will be automatically logged into phpMyDirectory. This allows phpMyDirectory to be used alongside WordPress and for a directory to be easily created for WordPress.

phpMyDirectory

Allows wordpress users to automatically log into phpMyDirectory.  The sessions are shared and accounts are created automatically if they do not exist.

brechtryckaert

Limiting the cookie expire time of password protected posts. By default the cookie set when entering a password to access a password-protected post will be active for 10 days. This plugin turns this cookie into a session-based cookie. This means your visitor will need to re-enter the password if the browser was closed prior to revisiting the post.

Instant Cookie Expire

This plugin turns the cookie for a password-protected post into a session-based cookie.

phpMyDirectory vs Instant Cookie Expire