Best NSAuditor AI Alternatives in 2026
The top NSAuditor AI alternatives are Intruder, OpenVAS and ManageEngine Vulnerability Manager Plus: 15 network vulnerability scanners our editors would look at instead of NSAuditor AI, in our ranking order.
NSAuditor AI: A self-hosted, open-source scanner with broad discovery and compliance reporting. Where it falls short: pro costs $470 per year or $49 per month.
Switching from NSAuditor AI? For most network vulnerability scanners buyers the best NSAuditor AI alternative is Intruder, built for broad hybrid scanning with a free starting tier. On a budget, Rapid7 InsightVM starts at $1.62/mo. OpenVAS offers the most asset limit (150 assets).
Why People Look for a NSAuditor AI Alternative
- Pro costs $470 per year or $49 per month
- Enterprise features require higher-priced plans
- Self-hosted deployment requires customer-managed infrastructure
- No agent-based scanning — 5 of the alternatives below have it
Quick Picks by What You Need
- Best overallIntruder9.4
Broad hybrid scanning with a free starting tier
Visit Intruder - Lowest priceRapid7 InsightVM8.9
Paid plans from $1.62/mo
Visit Rapid7 InsightVM - Best free optionIntruder9.4
Has a free plan
Visit Intruder - Most asset limitOpenVAS9.2
150 assets
Visit OpenVAS - Best for agent-based scanningOUTSCAN8.2
Agent-based scanning (NSAuditor AI: no)
Visit OUTSCAN
All 15 NSAuditor AI Alternatives, Ranked
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
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Best forBroad hybrid scanning with a free starting tier
- Better than NSAuditor AI:
- Editor score 9.4 vs 6.9
A broad hybrid scanner with a useful free tier and target-based paid pricing.
9.4/10★★★★★Visit Intruder -
Best forMature open-source vulnerability management
- Better than NSAuditor AI:
- Editor score 9.2 vs 6.9
A mature, flexible scanner for organizations that need broad vulnerability management.
9.2/10★★★★★Visit OpenVAS -
Best forAffordable endpoint and network remediation
- Better than NSAuditor AI:
- Editor score 9.1 vs 6.9
A broad vulnerability manager with affordable entry pricing and strong remediation coverage.
9.1/10★★★★★Visit ManageEngine -
Best forRisk-based scanning with remediation workflows
- Better than NSAuditor AI:
- Editor score 8.9 vs 6.9
A broad vulnerability management platform with risk prioritization and remediation tracking.
8.9/10★★★★☆Visit Rapid7 -
Best forEnterprise hybrid asset and risk management
- Better than NSAuditor AI:
- Editor score 8.8 vs 6.9
A broad hybrid-asset scanner for enterprises that need risk-based remediation workflows.
8.8/10★★★★☆Visit Qualys VMDR -
Best forCloud scanning with strong reporting and validation
- Better than NSAuditor AI:
- Editor score 8.7 vs 6.9
A cloud scanner combining CVE detection, validation, monitoring, and reporting.
Free plan · 7-day trial Our Pentest-Tools Network Vulnerability Scanner verdict → Visit Pentest-Tools8.7/10★★★★☆Visit Pentest-Tools -
Best forLow-cost network scanning and evidence reports
- Better than NSAuditor AI:
- Editor score 8.3 vs 6.9
Low-cost network scanning with credentialed checks, prioritization, and evidence-backed reports.
- Credentialed scans
- Network discovery
- Compliance checks
8.3/10★★★★☆Visit ScanTitan -
Best forCloud-based network discovery and compliance
- Better than NSAuditor AI:
- Agent-based scanning
- Editor score 8.2 vs 6.9
A cloud scanner for network discovery, authenticated assessment, compliance, and PCI checks.
- Agent-based scanning
- Credentialed scans
- Network discovery
8.2/10★★★★☆Visit Outpost24 -
Best forMulti-site internal and external scanning
- Better than NSAuditor AI:
- Editor score 7.9 vs 6.9
A multi-site scanner for recurring, authenticated vulnerability assessments across distributed environments.
7.9/10★★★★☆Visit Kaseya -
Best forEstablished standalone network scanning
- Better than NSAuditor AI:
- Editor score 7.8 vs 6.9
A capable standalone scanner with broad assessment coverage, but a high annual entry price.
7.8/10★★★★☆Visit Tenable -
Best forFlexible enterprise appliance deployments
- Better than NSAuditor AI:
- Agent-based scanning
- Editor score 7.7 vs 6.9
A flexible scanner for hybrid, air-gapped, and enterprise network environments.
- Agent-based scanning
- Credentialed scans
- Network discovery
7.7/10★★★★☆Visit Qualys -
Best forHybrid scanning with compliance reporting
- Better than NSAuditor AI:
- Agent-based scanning
- Editor score 7.6 vs 6.9
A hybrid scanner for teams that need credentialed assessments and compliance reporting.
- Agent-based scanning
- Credentialed scans
- Network discovery
7.6/10★★★★☆Visit CloneGuard -
Best forHybrid discovery with agent flexibility
- Better than NSAuditor AI:
- Agent-based scanning
- Editor score 7.5 vs 6.9
A broad hybrid scanner for enterprises that need discovery, credentialed checks, and risk scoring.
- Agent-based scanning
- Credentialed scans
- Network discovery
7.5/10★★★★☆Visit Tripwire IP360 -
Best forCommercial OpenVAS-style distributed scanning
- Better than NSAuditor AI:
- Agent-based scanning
- Editor score 7.4 vs 6.9
A commercial, distributed scanner for network services, endpoints, containers, and compliance.
- Agent-based scanning
- Credentialed scans
- Network discovery
7.4/10★★★★☆Visit Greenbone -
Best forFree modular network and subdomain discovery
- Better than NSAuditor AI:
- Editor score 7.3 vs 6.9
A free, modular scanner for discovery, vulnerability checks, and flexible reporting.
- Network discovery
7.3/10★★★★☆Try OWASP Nettacker
NSAuditor AI Alternatives: Common Questions
What is the best alternative to NSAuditor AI?
Intruder: #1 in our Network Vulnerability Scanners ranking, with an editor score of 9.4 out of 10. A broad hybrid scanner with a useful free tier and target-based paid pricing.
Is there a free alternative to NSAuditor AI?
Yes. Intruder, OpenVAS, ManageEngine Vulnerability Manager Plus, Pentest-Tools Network Vulnerability Scanner and ScanTitan have a free plan or a free tier (6 of the 15 alternatives on this page).
What is the cheapest paid alternative to NSAuditor AI?
Of the alternatives here that publish a price, Rapid7 InsightVM starts lowest, at $1.62/mo.
Why do people look for NSAuditor AI alternatives?
Pro costs $470 per year or $49 per month; Enterprise features require higher-priced plans; Self-hosted deployment requires customer-managed infrastructure.
Which NSAuditor AI alternative has the most asset limit?
OpenVAS, with 150 assets.
How do I switch from NSAuditor AI?
Export your data from NSAuditor AI (most tools have an export in their settings). Sign up for the alternative; start on its free plan or trial if it has one. Import your export and set up the integrations your team relies on. Run both side by side for a short while, then cancel NSAuditor AI.
How to Switch from NSAuditor AI
- Export your data from NSAuditor AI (most tools have an export in their settings).
- Sign up for the alternative; start on its free plan or trial if it has one.
- Import your export and set up the integrations your team relies on.
- Run both side by side for a short while, then cancel NSAuditor AI.
NSAuditor AI vs Each Alternative
| # | Tool | Free plan | Paid from | Deployment | Score |
|---|---|---|---|---|---|
| 7 | NSAuditor AI | Yes | $470/device/yr | On-premises | 6.9 |
| 1 | Intruder | Yes | 9.4 | ||
| 2 | OpenVAS | Yes | 9.2 | ||
| 3 | ManageEngine Vulnerability Manager Plus | Yes | $695/unit/yr | 9.1 | |
| 4 | Rapid7 InsightVM | $1.62/mo | 8.9 | ||
| 5 | Qualys VMDR | No | 8.8 | ||
| 6 | Pentest-Tools Network Vulnerability Scanner | Yes | $95/mo | 8.7 | |
| 7 | ScanTitan | Yes | $119/yr | Hybrid | 8.3 |
| 8 | OUTSCAN | Cloud | 8.2 | ||
| 9 | Kaseya VulScan | No | 7.9 | ||
| 10 | Tenable Nessus | No | $4,790/yr | 7.8 | |
| 11 | Qualys Scanner Appliance | Hybrid | 7.7 | ||
| 12 | CloneGuard Vulnerability Assessment | No | $595/yr | Hybrid | 7.6 |
| 13 | Tripwire IP360 | Hybrid | 7.5 | ||
| 14 | OPENVAS SCAN | No | On-premises | 7.4 | |
| 15 | OWASP Nettacker | Yes | Free | On-premises | 7.3 |
Head-to-Head
- NSAuditor AI vs Intruder
- NSAuditor AI vs OpenVAS
- NSAuditor AI vs ManageEngine Vulnerability Manager Plus
- NSAuditor AI vs Rapid7 InsightVM
- NSAuditor AI vs Qualys VMDR
- NSAuditor AI vs Pentest-Tools Network Vulnerability Scanner
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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