Block Double Logins is a wordpress plugin being distributed by Codecanyon. Block Double Logins protects your WordPress membership sites by preventing users from sharing accounts. It’ll save you time and money when dealing with dishonest customers.
Block Double Logins Features :
- block users who hide behind a proxy
- see who’s online at any given time
- see who’s trying to share their account
- choose which user roles are affected by plugin’s rules
- Easy configuration
- And many more. Check official website for more info