WP-Members
WP-Members – The original WordPress membership plugin. With over 700,000 downloads and over 60,000 active installs, it is one of the most popular plugins available on wordpress.org.
Join rocketgeek.com to get access to these exclusive add-ons for the main plugin:
WP-Members Registration Blacklist
WP-Members MailChimp Integration
WP-Members PayPal Subscriptions