OpenSCAP is described as 'SCAP is a line of standards managed by NIST' and is a Vulnerability Scanner in the Security & Privacy category. There are more than 10 alternatives to OpenSCAP for a variety of platforms, including Linux, Windows, Mac, SaaS and Online / Web-based. The best alternative is OpenVAS, which is both free and Open Source. Other great apps like OpenSCAP are Nessus (Paid), Lynis (Free, Open Source), Nexpose (Paid) and SmartScanner (Freemium).
The Nessus vulnerability scanner is the world-leader in active scanners, featuring high-speed discovery, configuration auditing, asset profiling, sensitive data discovery and vulnerability analysis of your security posture.
TEQNIX is a platform with a number of tools and strategies for penetration testers, red teamers and secops. It promotes automation with scanners and utilities and also assist in a real-time attack situation.
Intruder is a security monitoring platform for internet-facing systems. Intruder provides an easy to use security solution which continually scans your digital assets, highlighting vulnerabilities and outlining remediation advice in simple terms.
Check realtime and continuously for outdated web software on your server. Delivered by mail and an easy to use dashboard and get notified if PHP, Apache, cPanel, Wordpress, Drupal and many more become outdated.