Retestme is described as 'A cybersecurity service that provides hybrid penetration testing by combining AI automation with manual human expertise. Their core promise is "Zero False Positives," aiming to offer validated security intelligence rather than just automated scan results' and is a vulnerability scanner in the security & privacy category. There are more than 10 alternatives to Retestme, not only websites but also apps for a variety of platforms, including Linux, Windows, Mac and Android apps. The best Retestme alternative is Metasploit. It's not free, so if you're looking for a free alternative, you could try Metasploit or PhoneSploit Pro. Other great sites and apps similar to Retestme are Nessus, OpenSCAP, Acunetix and nuclei.