NSAuditor AI is a network security audit platform for Windows, macOS, and Linux.
Alternatives to Kaseya VulScan
ManageEngine Vulnerability Manager Plus identifies and assesses network vulnerabilities, then helps teams prioritize and remediate them.
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OpenVAS
OpenVAS is a vulnerability scanner for finding weaknesses in IT systems.
Free planWebAPILinuxmacOS7.1From €210.33 a month - 5
Nmap
Nmap is a free, open-source utility for discovering networks and auditing security.
Free planLinuxmacOSSelf-hostedWindows7.0From $9,980 a month - 6

Pentest-Tools Port Scanner
Pentest-Tools Port Scanner is a cloud-hosted Nmap-based tool for finding open TCP and UDP ports and services on network targets.
Free planWebAPI7.0From $95 a month - 7

NSAuditor AI
NSAuditor AI is an on-premises security scanning product available for Windows, macOS, and Linux.
Free planLinuxmacOSSelf-hostedWindows6.9From $39.17 a month - 8

Nuclei
Nuclei is a free, open-source vulnerability scanner for applications, infrastructure, cloud platforms, and networks.
Free planLinuxmacOSSelf-hostedWindows6.8Free plan - 9
Qualys External Attack Surface Management
Qualys External Attack Surface Management (EASM) gives organizations an outside-in view of internet-facing infrastructure and continuously monitors connected assets.
Free planWebAPILinux6.8Free plan - 10
Vicarius vRx
Vicarius vRx combines vulnerability management with patch management, patchless protection, and scripting to help teams remediate security findings.
WebAPILinuxmacOS6.8From $4 a month - 11
Wordfence Security
Wordfence Security is a WordPress security plugin for self-hosted sites, with a Web Application Firewall, malware scanner, login protection, and live traffic views.
Free planWebSelf-hosted6.8From $12.42 a month - 12

Intruder
Intruder provides continuous vulnerability scanning for infrastructure, web applications, APIs and cloud environments, with issue prioritization and remediation guidance.
Free planWebAPILinuxmacOS6.7Free plan - 13

Vornin
Free planWebAPI6.7From €99 a month - 14

Tenable One Attack Surface Management
Tenable One Attack Surface Management helps organizations identify and assess internet-facing assets and services that could be reached externally.
WebLinuxmacOSWindows6.6 - 15
VAddy
VAddy is a cloud service for automated black-box security testing of web applications.
WebAPILinuxmacOS6.6From ¥19,800 a month - 16
Sirius
Sirius is an open-source vulnerability scanner that combines network discovery, CVE detection, agent telemetry, and operator-directed triage.
Free planWebAPILinuxmacOS6.5Free plan - 17
OWASP Nettacker
OWASP Nettacker is a free, open-source tool for automating information gathering, vulnerability scanning, and penetration testing.
Free planWebAPILinuxmacOS6.4Free plan - 18
Sploit.io
Sploit.io is a free web service for checking browsers for vulnerabilities and related information.
Free planWeb6.4Free plan - 19

ConnectSecure
ConnectSecure provides vulnerability management for managed service providers and their small and midsize business customers.
WebAPI6.2From $300 a month - 20
ShadowSecurityScanner
ShadowSecurityScanner is a free, open-source desktop tool for penetration testing and network vulnerability scanning.
Free planLinuxmacOSWindows6.1Free plan - 21
WPScan
WPScan is a WordPress security scanner and vulnerability database for WordPress core, plugins, and themes.
Free planAPILinuxmacOSSelf-hosted6.0Free plan - 22

Holm Security Vulnerability Management
Holm Security Vulnerability Management is a vulnerability management platform for finding, assessing, prioritizing, and helping remediate risks…
WebAPILinuxSelf-hosted5.9 - 23
Nikto
Nikto is a free, open-source web server scanner for security professionals, penetration testers, and system administrators.
Free planLinuxSelf-hostedWindows5.9Free plan - 24

Amazon Inspector
Amazon Inspector is a cloud security service that automatically discovers workloads and code repositories, then scans them for software…
WebAPI5.8 - 25

Rapid7 InsightVM
WebLinuxmacOSWindows5.8From $1.62 a month - 26
SecApps
SecApps is a cloud platform for security teams and developers, with tools for discovering public assets, monitoring developer resources, scanning web…
Web5.8 - 275.7From $3 a month
- 28
Outpost24 Attack Surface Management
Outpost24 Attack Surface Management is a cloud-based service for finding and monitoring internet-facing assets and prioritizing exposure.
WebAPI5.7 - 29
Tenable Nessus
Tenable Nessus is on-premises vulnerability-scanning software for assessing IP addresses, operating systems, network devices, databases, applications, and SCADA systems.
LinuxmacOSWindows5.7From $399.17 a month - 30
5.5From $3,500 a month
