Best Nuclei Alternatives in 2026
The top Nuclei alternatives are ZeroThreat, Burp Suite DAST and Escape: 15 web application security scanners our editors would look at instead of Nuclei, in our ranking order.
Nuclei: A flexible, free scanner for teams that want control over templates and execution. Where it falls short: primarily a standalone self-hosted CLI rather than a managed application.
Switching from Nuclei? For most web application security scanners buyers the best Nuclei alternative is ZeroThreat, built for budget-conscious teams needing deep coverage. On a budget, Astra Security starts at $69/mo. Pentest-Tools Website Scanner offers the most target limit (5 targets).
Why People Look for a Nuclei Alternative
- Primarily a standalone self-hosted CLI rather than a managed application
- Template-driven coverage provides less verified application-crawling depth
- ProjectDiscovery cloud editions are separate from the open-source scanner
Quick Picks by What You Need
- Best overallZeroThreat9.4
Budget-conscious teams needing deep coverage
Visit ZeroThreat - Lowest priceAstra Security8.8
Paid plans from $69/mo
Visit Astra Security - Best free optionZeroThreat9.4
Has a free plan
Visit ZeroThreat - Most target limitPentest-Tools Website Scanner8.0
5 targets
Visit Pentest-Tools Website Scanner
All 15 Nuclei 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 forBudget-conscious teams needing deep coverage
- Better than Nuclei:
- Editor score 9.4 vs 7.3
Deep web and API coverage with flexible free, cloud, pay-per-scan, and on-premises options.
- JavaScript crawling
- Scheduled scans
- Compliance reports
9.4/10★★★★★Visit ZeroThreat -
Best forEnterprise AppSec teams needing broad DAST
- Better than Nuclei:
- Editor score 9.3 vs 7.3
Broad, enterprise-focused DAST for authenticated web apps, APIs, and CI/CD workflows.
9.3/10★★★★★Visit PortSwigger -
Best forAdvanced teams testing complex applications
- Better than Nuclei:
- Editor score 9.2 vs 7.3
Deep testing for complex applications, APIs, workflows, and access controls.
- JavaScript crawling
- Scheduled scans
- Compliance reports
9.2/10★★★★★Visit Escape -
Best forTeams wanting a free, extensible scanner
- Better than Nuclei:
- Editor score 9.1 vs 7.3
A capable free scanner with broad automation, API support, and extensibility.
9.1/10★★★★★Visit OWASP ZAP -
Best forLarge enterprises with compliance requirements
- Better than Nuclei:
- Editor score 9.0 vs 7.3
A compliance-focused DAST platform for complex web and API environments.
9.0/10★★★★☆Visit OpenText -
Best forGrowing teams wanting AI-assisted testing
- Better than Nuclei:
- Editor score 8.9 vs 7.3
A flexible scanner for growing teams that need AI-assisted web and API testing.
8.9/10★★★★☆Try Beagle Security -
Best forSmall teams wanting affordable cloud scanning
- Better than Nuclei:
- Editor score 8.8 vs 7.3
Affordable cloud DAST with deep scanning, though the entry tier covers one target.
- JavaScript crawling
- Scheduled scans
- Compliance reports
8.8/10★★★★☆Visit Astra Security -
Best forHybrid AppSec and attack-surface programs
- Better than Nuclei:
- Editor score 8.7 vs 7.3
A broad hybrid AppSec scanner for web, API, and attack-surface programs.
8.7/10★★★★☆Visit Holm Security -
Best forFortinet-oriented security teams
- Better than Nuclei:
- Editor score 8.6 vs 7.3
A Fortinet-focused DAST platform for authenticated web, API, and CI/CD scanning.
8.6/10★★★★☆Visit FortiDAST -
Best forAutonomous exploit validation for modern apps
- Better than Nuclei:
- Editor score 8.5 vs 7.3
A focused cloud scanner for validating web and API vulnerabilities with reproducible evidence.
8.5/10★★★★☆Visit XBOW -
Best forCloud teams scanning modern web applications
- Better than Nuclei:
- Editor score 8.4 vs 7.3
A cloud DAST scanner for authenticated, JavaScript-heavy web application testing.
8.4/10★★★★☆Visit Detectify -
Best forTeams wanting guided enterprise scanning
- Better than Nuclei:
- Editor score 8.3 vs 7.3
Guided enterprise scanning with broad testing, automation, and hybrid deployment options.
8.3/10★★★★☆Visit Rapid7 -
Best forTeams wanting proof-based web and API testing
- Better than Nuclei:
- Editor score 8.2 vs 7.3
A proof-focused scanner for teams testing web applications, APIs, and release pipelines.
8.2/10★★★★☆Visit Invicti -
Best forEnterprises already using Qualys
- Better than Nuclei:
- Editor score 8.1 vs 7.3
A broad web and API scanner for enterprises already using Qualys.
8.1/10★★★★☆Visit Qualys -
Best forSmall teams wanting proof-based scanning
- Better than Nuclei:
- Editor score 8.0 vs 7.3
Proof-based web and API scanning with authenticated testing, scheduling, and compliance reporting.
- JavaScript crawling
- Scheduled scans
- Compliance reports
8.0/10★★★★☆Visit Pentest-Tools
Nuclei Alternatives: Common Questions
What is the best alternative to Nuclei?
ZeroThreat: #1 in our Web Application Security Scanners ranking, with an editor score of 9.4 out of 10. Deep web and API coverage with flexible free, cloud, pay-per-scan, and on-premises options.
Is there a free alternative to Nuclei?
Yes. ZeroThreat, OWASP ZAP, Beagle Security, Astra Security and Pentest-Tools Website Scanner have a free plan or a free tier.
What is the cheapest paid alternative to Nuclei?
Of the alternatives here that publish a price, Astra Security starts lowest, at $69/mo.
Why do people look for Nuclei alternatives?
Primarily a standalone self-hosted CLI rather than a managed application; Template-driven coverage provides less verified application-crawling depth; ProjectDiscovery cloud editions are separate from the open-source scanner.
Which Nuclei alternative has the most target limit?
Pentest-Tools Website Scanner, with 5 targets.
How do I switch from Nuclei?
Export your data from Nuclei (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 Nuclei.
How to Switch from Nuclei
- Export your data from Nuclei (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 Nuclei.
Nuclei vs Each Alternative
| # | Tool | Free plan | Paid from | Score |
|---|---|---|---|---|
| 22 | Nuclei | Yes | Free | 7.3 |
| 1 | ZeroThreat | Yes | $100/mo | 9.4 |
| 2 | Burp Suite DAST | 9.3 | ||
| 3 | Escape | 9.2 | ||
| 4 | OWASP ZAP | Yes | Free | 9.1 |
| 5 | OpenText Fortify DAST | 9.0 | ||
| 6 | Beagle Security | Yes | $99/mo | 8.9 |
| 7 | Astra Security | Yes | $69/mo | 8.8 |
| 8 | Holm Security Web Application Security | No | 8.7 | |
| 9 | FortiDAST | 8.6 | ||
| 10 | XBOW | 8.5 | ||
| 11 | Detectify Application Scanning | No | €90/mo | 8.4 |
| 12 | Rapid7 InsightAppSec | No | $175/unit/mo | 8.3 |
| 13 | Invicti | No | $500/unit usage-based | 8.2 |
| 14 | Qualys Web Application Scanning | No | 8.1 | |
| 15 | Pentest-Tools Website Scanner | Yes | $95/mo | 8.0 |
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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