Have I Been Pwned is described as 'Website repository that checks what sites your email address was used on were compromised' and is a very popular Data Breach tool in the security & privacy category. There are more than 25 alternatives to Have I Been Pwned, not only websites but also apps for a variety of platforms, including Windows, Linux, Self-Hosted and Mac apps. The best Have I Been Pwned alternative is Mozilla Monitor, which is both free and Open Source. Other great sites and apps similar to Have I Been Pwned are Data Breach Observatory, Intelligence X, DeHashed and LeakCheck.
Have I Been Pwned alternatives are mainly Data Breach Tools, but if you're looking for
Privacy Tools or Penetration Testing Tools you can filter on that. Other popular filters include
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