Ukey1 is described as 'Save time and money while solving GDPR compliance'. There are more than 10 alternatives to Ukey1, not only websites but also apps for a variety of platforms, including Android, iPhone, Self-Hosted solutions and Mac. The best alternative is Keycloak, which is both free and Open Source. Other great sites and apps similar to Ukey1 are Auth0 (Freemium), FusionAuth (Paid), LoginRadius (Paid) and Okta (Freemium).
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 application: • Custom credentials: username + passwords • Social network logins: Google, Facebook, Twitter...
FusionAuth is auth for any app. Get everything you need for secure registration and user management in minutes. Single-tenant, on-prem or private cloud, custom emails with localization, social login, and more.
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 consolidating the most powerful social features in a single solution.