| Google Sign-in | 25,652 | https://developers.google.com/identity/sign-in/web |
| Linkedin Sign-in | 7,397 | https://www.linkedin.com/developers |
| Apple Sign-in | 7,140 | https://developer.apple.com/sign-in-with-apple/ |
| Super Socializer | 2,179 | https://super-socializer-wordpress.heateor.com |
| SAP Customer Data Cloud Sign-in | 894 | https://www.sap.com/uk/acquired-brands/what-is-gigya.html |
| Okta | 726 | https://developer.okta.com |
| SimpleSAMLphp | 628 | https://simplesamlphp.org |
| NextAuth.js | 584 | https://next-auth.js.org |
| WWPass | 417 | https://www.wwpass.com |
| Auth0 | 284 | https://auth0.github.io/auth0.js/index.html |
| LoginRadius | 250 | https://www.loginradius.com |
| OneAll | 201 | https://www.oneall.com |
| Auth0 Lock | 138 | https://auth0.com/docs/libraries/lock |
| LINE Login | 104 | https://developers.line.biz/en/services/line-login/ |
| Facebook Login | 93 | https://developers.facebook.com/docs/facebook-login/ |
| authorized.by | 69 | 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 |