ONYPHE AlternativesPenetration Testing Tools and other similar apps like ONYPHE

ONYPHE is described as 'Search engine for open-source and cyber threat intelligence data collected by crawling various sources available on the Internet or by listening to Internet background noise' and is a penetration testing tool in the security & privacy category. There are three alternatives to ONYPHE, not only websites but also apps for Google Chrome and Mozilla Firefox. The best ONYPHE alternative is Censys, which is both free and Open Source. Other great sites and apps similar to ONYPHE are Shodan and FOFA.