Keyring
An authentication framework that handles authorization/communication with most popular web services.
Plugin tag: authorization
uLogin – виджет авторизации через социальные сети
Форма авторизации uLogin через социальные сети. Улучшенный аналог loginza.
Next Active Directory Integration
Next Active Directory Integration allows WordPress to authenticate, authorize, create and update users against Microsoft…
Simple Restrict
Restrict pages based on permissions assigned to pages and granted in user profiles.
Civic SIP
Civic Secure Identity Platform (SIP) authorization plugin. Sign in to your blog using Civic Mobile…
WebPoint Login
Authorization, registration and password reset with protection from robots.
Stormpath
Give your WordPress website the power of Stormpath Authentication.
OAuth Client by DigitialPixies
Connect to an OAuth server for authorization grants.
gsislogin
Use oauth 2.0 from the GSIS site.