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   * [reCAPTCHAMe](https://recaptchame.com/) — free reCAPTCHA and hCAPTCHA backend service. No Server-Side coding needed. Works for static websites.
   * [report-uri.io](https://report-uri.io/) — CSP and HPKP violation reporting
   * [ringcaptcha.com](https://ringcaptcha.com/) — Tools to use phone number as id, available for free
+  * [sawolabs.com](https://sawolabs.com/) - Simplify login and improve user experience by integrating passwordless authentication in your app. Circumvent your bounce rates by 30%. 
   * [snyk.io](https://snyk.io) — Can find and fix known security vulnerabilities in your open source dependencies. Unlimited tests and remediation for open source projects. Limited to 200 tests/month for your private projects.
   * [Sqreen](https://www.sqreen.com/) — Application security monitoring and protection (RASP, WAF and more) for web applications and APIs. Free for 1 app and 3 million requests.
   * [ssllabs.com](https://www.ssllabs.com/ssltest/) — Very deep analysis of the configuration of any SSL web server