WP Admin Graphic Password (by SiteGuardi...
AuthLdap
WP Require Auth
WpCAS Server
TrustAuth
MXC LDAP
LDAP Authenticator
SOAP Authentication
3rd Party Authentication
Draugiem.lv Pase
SecSign
Imposter
WSecure Lite
Basic Authentication
Active Directory Authentication Integrat...
Network Username Restrictions Override
Zerby Login Widget
WP Security Login Notification
Maven Member
WP OpenId Selector
Authy Two Factor Authentication
Feed Key
Perfect Paper Passwords
Shared Users Reloaded
CAS Maestro
SN Extend Authentication
JSON API User
LaunchKey
