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Best Sirius Alternatives in 2026

Updated

20 platforms from vulnerability scanning software ranked against Sirius on the same published basis.

  1. 1
    Intruder Free plan apiLinuxMacWebWin Free7.9
    Sirius vs Intruder
  2. 2
    ManageEngine Vulnerability Manager Plus Free plan apiLinuxMacself-hostedWeb $57.92/mo7.9
    Sirius vs ManageEngine Vulnerability Manager Plus
  3. 3
    OpenVAS Free plan apiLinuxMacself-hostedWeb €210.33/mo7.9
    Sirius vs OpenVAS
  4. 4
    Nmap Free plan LinuxMacself-hostedWin $9,980/mo7.8
    Sirius vs Nmap
  5. 5
    Qualys External Attack Surface Management Free trial apiLinuxWeb 7.8
    Sirius vs Qualys External Attack Surface Management
  6. 6
    Pentest-Tools Port Scanner Free plan apiWeb $95/mo7.7
    Sirius vs Pentest-Tools Port Scanner
  7. 7
    Nuclei Free plan LinuxMacself-hostedWin Free7.3
    Sirius vs Nuclei
  8. 8
    NSAuditor AI Free plan LinuxMacWin $3.25/mo7.2
    Sirius vs NSAuditor AI
  9. 9
    OWASP Nettacker Free plan apiLinuxMacself-hostedWeb Free6.9
    Sirius vs OWASP Nettacker
  10. 10
    Rapid7 Surface Command Free trial apiLinuxMacWebWin 6.9
    Sirius vs Rapid7 Surface Command
  11. 11
    VAddy Free trial apiLinuxMacself-hostedWeb ¥19,800/mo6.9
    Sirius vs VAddy
  12. 12
    Holm Security Vulnerability Management Free trial apiLinuxself-hostedWebWin 6.8
    Sirius vs Holm Security Vulnerability Management
  13. 13
    ConnectSecure Free trial apiWeb $300/mo6.7
    Sirius vs ConnectSecure
  14. 14
    Tanium Deploy apiLinuxMacself-hostedWin 6.7
    Sirius vs Tanium Deploy
  15. 15
    Ivanti Neurons for Zero Trust Access AndroidiOSLinuxMacself-hosted 6.6
    Sirius vs Ivanti Neurons for Zero Trust Access
  16. 16
    Tenable One Attack Surface Management LinuxMacWebWin 6.5
    Sirius vs Tenable One Attack Surface Management
  17. 17
    Outpost24 Attack Surface Management apiWeb 6.4
    Sirius vs Outpost24 Attack Surface Management
  18. 18
    Datto Endpoint Backup MacWin 6.3
    Sirius vs Datto Endpoint Backup
  19. 19
    N-able Risk Intelligence LinuxMacWebWin 6.1
    Sirius vs N-able Risk Intelligence
  20. 20
    NSAuditor AI WinMacLinux 6.1
    Sirius vs NSAuditor AI

Sirius alternatives compared

#PlatformScoreFree planFromRuns on
1Intruder7.9Free planFreeAPI, Linux, Mac, Web, Windows
2ManageEngine Vulnerability Manager Plus7.9Free plan$57.92/moAPI, Linux, Mac, self-hosted, Web, Windows
3OpenVAS7.9Free plan€210.33/moAPI, Linux, Mac, self-hosted, Web, Windows
4Nmap7.8Free plan$9,980/moLinux, Mac, self-hosted, Windows
5Qualys External Attack Surface Management7.8No—API, Linux, Web
6Pentest-Tools Port Scanner7.7Free plan$95/moAPI, Web
7Nuclei7.3Free planFreeLinux, Mac, self-hosted, Windows
8NSAuditor AI7.2Free plan$3.25/moLinux, Mac, Windows
9OWASP Nettacker6.9Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
10Rapid7 Surface Command6.9No—API, Linux, Mac, Web, Windows
11VAddy6.9No¥19,800/moAPI, Linux, Mac, self-hosted, Web
12Holm Security Vulnerability Management6.8No—API, Linux, self-hosted, Web, Windows
13ConnectSecure6.7No$300/moAPI, Web
14Tanium Deploy6.7No—API, Linux, Mac, self-hosted, Windows
15Ivanti Neurons for Zero Trust Access6.6No—Android, iOS, Linux, Mac, self-hosted, Web, Windows
16Tenable One Attack Surface Management6.5No—Linux, Mac, Web, Windows
17Outpost24 Attack Surface Management6.4No—API, Web
18Datto Endpoint Backup6.3No—Mac, Windows
19N-able Risk Intelligence6.1No—Linux, Mac, Web, Windows
20NSAuditor AI6.1No—Windows, Mac, Linux
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Questions about Sirius alternatives

What is the best alternative to Sirius?

Intruder, number 1 in vulnerability scanning software with a score of 7.9 out of 10. The others here: ManageEngine Vulnerability Manager Plus, OpenVAS, Nmap and 16 more.

What is the best free alternative to Sirius?

Intruder is the best-ranked alternative with a free plan. 8 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked on how quickly a newcomer can get going: documentation depth, a free tier or trial, and the platforms it runs on.