Open Source Tools · Alternatives

Open-source alternatives to Qualys VMDR

Qualys VMDR is a cloud-delivered vulnerability management service: asset discovery, scanning, prioritisation and remediation tracking. An open-source stack typically pairs a scanner (OpenVAS, Nuclei, Trivy) with a findings platform such as DefectDojo.

Qualys VMDR is a commercial product by Qualys (official site). Category: Vulnerability scanning.

Comparison

Tool	Licence	Stars	Last commit	Best for
Nuclei	MITOpen source	32k	today	Template-based vulnerability scanner
DefectDojo	BSD-3-ClauseOpen source	5k	today	Vulnerability management and DevSecOps findings platform
OpenVAS (Greenbone)	GPL-2.0-onlyOpen source	4.9k	today	Network vulnerability scanner (Greenbone Community Edition)

Open-source options

Nuclei
Template-based vulnerability scanner
Fast vulnerability scanner driven by YAML templates, with thousands of community templates for CVEs, misconfigurations and exposures across many protocols.
Stars
32k
Forks
4k
Last commit
today
MITOpen sourceVulnerability scanning
Alternative toTenable Nessus Qualys VMDR+1
DefectDojo
Vulnerability management and DevSecOps findings platform
Web platform that imports findings from many security scanners, deduplicates them and tracks remediation across products and engagements.
Stars
5k
Forks
2k
Last commit
today
BSD-3-ClauseOpen sourceVulnerability scanning
Alternative toQualys VMDR
OpenVAS (Greenbone)
Network vulnerability scanner (Greenbone Community Edition)
Scanner engine of the Greenbone Community Edition, running network vulnerability tests from the Greenbone community feed against hosts and services.
Stars
4.9k
Forks
805
Last commit
today
GPL-2.0-onlyOpen sourceVulnerability scanning
Alternative toTenable Nessus Qualys VMDR

Product names are trademarks of their owners. ThreatWire is not affiliated with Qualys. The comparison covers what each tool is designed to do, not a feature-by-feature equivalence.