A simple login with google account in WordPress.
Plugin setup requires you to have admin access to any Google Apps domain, or a regular Gmail account, to register and obtain two Googl App ID and Key codes from Google.
Major features in GP Google login include:
*A simple login with google account in WordPress
*Auto login of existing user after authentication.
*Auto user create if new user after authentication.
*Automatic user registration if Anyone can register has been enabled under Settings > General > Membership.