Probely is described as 'Top-tier cloud-based DAST Scanner designed for DevOps, empowering Security and Development teams to work together to secure their web applications and APIs' and is a vulnerability scanner in the development category. There are more than 25 alternatives to Probely, not only websites but also apps for a variety of platforms, including SaaS, Windows, Linux and Mac apps. The best Probely alternative is Burp Suite, which is free. Other great sites and apps similar to Probely are Nessus, w3af, Acunetix and nuclei.