Auth0 You can connect any application (written in any language or on any stack) to Auth0 and define its Connection, the method used to authenticate the users of that... Freemium Web OAUTH Single Sign-On Add a feature 9 Like
Janrain Janrain provides hosted user management solutions for social login and sharing, single sign-on and social profile storage. Commercial Web No features added Add a feature 5 Like
Gigya Gigya is one of the leading social choice for websites, integrating online businesses with the top social networks such as Facebook, Twitter and LinkedIn and... Commercial Web OAUTH Add a feature 2 Like
Ukey1 Unified authentication and data protection service that helps with GDPR compliance. Free Web OAUTH Single Sign-On Add a feature 1 Like
Stormpath Powerful authentication, authorization, and user management for any application. Freemium Web No features added Add a feature 1 Like Discontinued From http://stormpath.com/ "Stormpath has joined forces with Okta. The Stormpath API will shut down on 8/17/2017 at noon PST. " Joined with http://alternativeto.net/software/okta/
SoClever Social Login Social login offering all the major social networks, Facebook, PayPal LinkedIn and more .Free to use with no credit cards required. Freemium Web No features added Add a feature 1 Like