OpenVAS is described as 'The Open Vulnerability Assessment System (OpenVAS) is a framework of several services and tools offering a comprehensive and powerful vulnerability scanning and vulnerability management solution' and is a vulnerability scanner in the security & privacy category. There are more than 25 alternatives to OpenVAS for a variety of platforms, including Web-based, Windows, Linux, SaaS and Mac apps. The best OpenVAS alternative is Nessus. It's not free, so if you're looking for a free alternative, you could try Sucuri or OpenSCAP. Other great apps like OpenVAS are Acunetix, nuclei, Whitespots and Pentestly.io.