Best Vulnerability Scanning Software in 2026

In short: Pentest-Tools Port Scanner is ranked #1 of 31 as of 4 October 2026, ahead of Intruder and ManageEngine Vulnerability Manager Plus. The best-ranked option with a free plan is Intruder. The lowest first paid tier on this page is NSAuditor AI at $3.25/mo.

Choosing a vulnerability scanner starts with the targets and scanning approach you need to assess. Compare supported targets and asset limits, then check whether authenticated and continuous scanning are listed. Compliance frameworks and deployment model add further dimensions, while a free plan and paid-from price help frame cost. Intruder and OpenVAS head the ranking, followed by ManageEngine Vulnerability Manager Plus and Holm Security Vulnerability Management. Vornin, NSAuditor AI, Sirius, and ConnectSecure are also among the first entries. Consider which listed capabilities match the systems you need to scan and the way your team plans to deploy and operate the tools.

31 vulnerability scanning software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.

31ranked
7free plans on this page
$3.25/molowest paid tier
4 Oct 2026last checked
#PlatformScoreWhyFromFree planPaid fromDeployment model
1Pentest-Tools Port Scanner7.4
RecognisedAPIDocumented
$95/moYes95 /mocloudView
2Intruder7.3
RecognisedAPIDocumented
FreeYes—hybridView
3ManageEngine Vulnerability Manager Plus7.3
RecognisedAPIDocumented
$57.92/moYes—hybridView
4OpenVAS7.3
RecognisedAPIDocumented
€210.33/moYes—on_premisesView
5Outpost24 Attack Surface Management6.9
RecognisedAPIDocumented
—No—hybridView
6Qualys External Attack Surface Management6.8
RecognisedAPIDocumented
—No—hybridView
7Holm Security Vulnerability Management6.7
RecognisedAPIDocumented
—No—hybridView
8Rapid7 Surface Command6.7
RecognisedAPIDocumented
——1.62 /mohybridView
9VAddy6.7
RecognisedAPIDocumented
¥19,800/moNo—cloudView
10Nmap6.0
RecognisedAPIDocumented
$9,980/moYes——View
11NSAuditor AI6.0
RecognisedAPIDocumented
$3.25/moYes——View
12Nuclei5.8
RecognisedAPIDocumented
FreeYes——View
13NSAuditor AI5.6
RecognisedAPIDocumented
—Yes—on_premisesView
14Vornin5.6
RecognisedAPIDocumented
—Yes—cloudView
15Sirius5.5
RecognisedAPIDocumented
—Yes—on_premisesView
16Datto Endpoint Backup5.4
RecognisedAPIDocumented
—No—hybridView
17Ivanti Neurons for Zero Trust Access5.4
RecognisedAPIDocumented
———cloudView
18ShadowSecurityScanner5.4
RecognisedAPIDocumented
—Yes—on_premisesView
19Tenable One Attack Surface Management5.4
RecognisedAPIDocumented
—No—cloudView
20Sploit.io5.3
RecognisedAPIDocumented
—Yes——View
21Wordfence Security5.3
RecognisedAPIDocumented
—Yes——View
22Tanium Deploy5.2
RecognisedAPIDocumented
———hybridView
23N-able Risk Intelligence5.1
RecognisedAPIDocumented
———cloudView
24SecApps5.1
RecognisedAPIDocumented
———cloudView
25XBOW5.1
RecognisedAPIDocumented
———cloudView

Is your platform on this list?

Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.

Questions about this list

Which vulnerability scanning software is ranked first on Inferse?

Pentest-Tools Port Scanner is ranked #1 of 31 with a score of 7.4. Intruder is second and ManageEngine Vulnerability Manager Plus third.

How many of these have a free plan?

7 of the 25 on this page publish a free plan on their own pricing pages.

Which is the cheapest paid option?

On this page, NSAuditor AI has the lowest first paid tier we found: $3.25/mo.

How is this list ranked?

Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it. Paid placements never change a rank.

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