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Best Tenable Nessus Alternatives in 2026

Updated

20 apps from vulnerability scanning software ranked against Tenable Nessus on the same published basis.

  1. 1
    Ivanti Neurons for Zero Trust Access AndroidiOSLinuxMacself-hosted 7.0
    Tenable Nessus vs Ivanti Neurons for Zero Trust Access
  2. 2
    Nuclei Free plan LinuxMacself-hostedWin Free6.4
    Tenable Nessus vs Nuclei
  3. 3
    Pentest-Tools Port Scanner Free plan apiWeb $95/mo6.4
    Tenable Nessus vs Pentest-Tools Port Scanner
  4. 4
    Qualys External Attack Surface Management Free trial apiLinuxWeb 6.4
    Tenable Nessus vs Qualys External Attack Surface Management
  5. 5
    Intruder Free plan apiLinuxMacWebWin Free6.3
    Tenable Nessus vs Intruder
  6. 6
    ManageEngine Vulnerability Manager Plus Free plan apiLinuxMacself-hostedWeb $57.92/mo6.3
    Tenable Nessus vs ManageEngine Vulnerability Manager Plus
  7. 7
    Nmap Free plan LinuxMacself-hostedWin $9,980/mo6.3
    Tenable Nessus vs Nmap
  8. 8
    NSAuditor AI Free plan LinuxMacWin $3.25/mo6.3
    Tenable Nessus vs NSAuditor AI
  9. 9
    OpenVAS Free plan apiLinuxMacself-hostedWeb €210.33/mo6.3
    Tenable Nessus vs OpenVAS
  10. 10
    Nikto Free plan Linuxself-hostedWin Free6.2
    Tenable Nessus vs Nikto
  11. 11
    OWASP Nettacker Free plan apiLinuxMacself-hostedWeb Free6.2
    Tenable Nessus vs OWASP Nettacker
  12. 12
    WPScan Free plan apiLinuxMacself-hosted Free6.2
    Tenable Nessus vs WPScan
  13. 13
    Outpost24 Attack Surface Management apiWeb 5.8
    Tenable Nessus vs Outpost24 Attack Surface Management
  14. 14
    Tanium Deploy apiLinuxMacself-hostedWin 5.8
    Tenable Nessus vs Tanium Deploy
  15. 15
    Datto Endpoint Backup MacWin 5.6
    Tenable Nessus vs Datto Endpoint Backup
  16. 16
    Sploit.io Web 5.6
    Tenable Nessus vs Sploit.io
  17. 17
    Tenable One Attack Surface Management LinuxMacWebWin 5.6
    Tenable Nessus vs Tenable One Attack Surface Management
  18. 18
    Amazon Inspector Free trial apiWeb 5.5
    Tenable Nessus vs Amazon Inspector
  19. 19
    ConnectSecure Free trial apiWeb $300/mo5.5
    Tenable Nessus vs ConnectSecure
  20. 20
    Rapid7 Surface Command Free trial apiLinuxMacWebWin 5.5
    Tenable Nessus vs Rapid7 Surface Command

Tenable Nessus alternatives compared

#AppScoreFree planFromRuns on
1Ivanti Neurons for Zero Trust Access7.0No—Android, iOS, Linux, Mac, self-hosted, Web, Windows
2Nuclei6.4Free planFreeLinux, Mac, self-hosted, Windows
3Pentest-Tools Port Scanner6.4Free plan$95/moAPI, Web
4Qualys External Attack Surface Management6.4No—API, Linux, Web
5Intruder6.3Free planFreeAPI, Linux, Mac, Web, Windows
6ManageEngine Vulnerability Manager Plus6.3Free plan$57.92/moAPI, Linux, Mac, self-hosted, Web, Windows
7Nmap6.3Free plan$9,980/moLinux, Mac, self-hosted, Windows
8NSAuditor AI6.3Free plan$3.25/moLinux, Mac, Windows
9OpenVAS6.3Free plan€210.33/moAPI, Linux, Mac, self-hosted, Web, Windows
10Nikto6.2Free planFreeLinux, self-hosted, Windows
11OWASP Nettacker6.2Free planFreeAPI, Linux, Mac, self-hosted, Web, Windows
12WPScan6.2Free planFreeAPI, Linux, Mac, self-hosted
13Outpost24 Attack Surface Management5.8No—API, Web
14Tanium Deploy5.8No—API, Linux, Mac, self-hosted, Windows
15Datto Endpoint Backup5.6No—Mac, Windows
16Sploit.io5.6No—Web
17Tenable One Attack Surface Management5.6No—Linux, Mac, Web, Windows
18Amazon Inspector5.5No—API, Web
19ConnectSecure5.5No$300/moAPI, Web
20Rapid7 Surface Command5.5No—API, Linux, Mac, Web, Windows
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Questions about Tenable Nessus alternatives

What is the best alternative to Tenable Nessus?

Ivanti Neurons for Zero Trust Access, number 1 in vulnerability scanning software with a score of 7.0 out of 10. The others here: Nuclei, Pentest-Tools Port Scanner, Qualys External Attack Surface Management and 16 more.

What is the best free alternative to Tenable Nessus?

Nuclei is the best-ranked alternative with a free plan. 10 of the 20 alternatives here publish a free plan on their own pricing pages.

How are these alternatives ranked?

Ranked mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.