Persona Alternatives

Persona is described as '(formerly BrowserID) allows you to sign in to sites using an email address you choose. So, instead of having to manage multiple usernames and passwords across your favorite sites and devices, you’ll have more time to do the important stuff' and is an website in the security & privacy category. There are more than 10 alternatives to Persona, not only websites but also apps for a variety of platforms, including Self-Hosted, iPhone, iPad and SaaS apps. The best Persona alternative is OpenID, which is both free and Open Source. Other great sites and apps similar to Persona are OAuth, Auth0, LemonLDAP::NG and Portier.