Apps similar to Social Login Plugin include LoginRadius. It's paid, but WP-FB-AutoConnect and Janrain Engage are free. In total there are three Identity Management Tools like Social Login Plugin for the web.
LoginRadius is SaaS based CIAM platform that manages consumer identity and privacy, allowing businesses to customize a secure and delightful digital experience their consumers will love.
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WP-FB-AutoConnect is a simple WordPress widget that lets readers login to your blog with either their Facebook account or local WordPress credentials. Full support for both WordPress and BuddyPress.
Janrain Engage is a plugin for WordPress allowis users to easily register and login via an existing account with Facebook, Google, Twitter, Yahoo!, LinkedIn and other social platforms. Users also can publish their comments or activities from your site to multiple social networks...
