| Google Sign-in | 26,662 | https://developers.google.com/identity/sign-in/web |
| Linkedin Sign-in | 7,446 | https://www.linkedin.com/developers |
| Apple Sign-in | 7,238 | https://developer.apple.com/sign-in-with-apple/ |
| Super Socializer | 2,194 | https://super-socializer-wordpress.heateor.com |
| SAP Customer Data Cloud Sign-in | 893 | https://www.sap.com/uk/acquired-brands/what-is-gigya.html |
| Okta | 726 | https://developer.okta.com |
| SimpleSAMLphp | 631 | https://simplesamlphp.org |
| NextAuth.js | 587 | https://next-auth.js.org |
| WWPass | 417 | https://www.wwpass.com |
| Auth0 | 287 | https://auth0.github.io/auth0.js/index.html |
| LoginRadius | 250 | https://www.loginradius.com |
| OneAll | 203 | https://www.oneall.com |
| Auth0 Lock | 140 | https://auth0.com/docs/libraries/lock |
| LINE Login | 104 | https://developers.line.biz/en/services/line-login/ |
| Facebook Login | 94 | https://developers.facebook.com/docs/facebook-login/ |
| authorized.by | 74 | https://www.authorized.by |
| RingCaptcha | 18 | https://ringcaptcha.com |
| Login with Amazon | 9 | https://developer.amazon.com/apps-and-games/login-with-amazon |
| Passage | 7 | https://passage.1password.com |
| Microsoft Authentication | 5 | https://github.com/AzureAD/microsoft-authentication-library-for-js |