Black Duck vs OWASP ZAP: Which is Better in 2026?
Choosing between Black Duck and OWASP ZAP comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: OWASP ZAP is our overall pick for security workflows. Pick Black Duck if you need its specific feature set.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Black Duck
Comprehensive application security for managing software risk and accelerating secure delivery.
Best for you if:
- • Manages software risk and accelerates secure delivery.
- • Secures AI-generated code and the software supply chain.
OWASP ZAP
Open-source web application security scanner
Best for you if:
- • You need something completely free
- • OWASP ZAP is a free security testing tool for finding web application vulnerabilities
- • It scans for security issues with automated and manual testing capabilities
| At a Glance |  Black Duck |  OWASP ZAP |
|---|---|---|
Starts at | Contact us/moBlack Duck | Free |
Best For | Security | Security |
Rating | - | - |
Choose Black Duck or OWASP ZAP?
Choose Black Duck if
Comprehensive application security for managing software risk and accelerating secure delivery.
- Comprehensive coverage for various security aspects (AI, supply chain, open source)
- Unified platform for intelligent risk management (Polaris)
- Strong focus on compliance and risk reduction
Choose OWASP ZAP if
Open-source web application security scanner
- Free security scanner
- Good for web apps
- Active community
- You want a fully free tool (Black Duck requires payment)
| Feature | Black Duck | OWASP ZAP |
|---|---|---|
| Pricing Model | Paid | Free |
| User Rating | ★4.2/5 58 reviews | ★4.5/5 22 reviews |
| Categories | SecurityDeveloper Tools | SecurityTesting & QA |
In-Depth Analysis
Black Duck
Comprehensive application security for managing software risk and accelerating secure delivery.
Strengths
- +Comprehensive coverage for various security aspects (AI, supply chain, open source)
- +Unified platform for intelligent risk management (Polaris)
- +Strong focus on compliance and risk reduction
- +Trusted by over 4,000 organizations worldwide
- +Recognized as a leader in application security testing
Weaknesses
- -No explicit mention of pricing tiers or free trials on the provided pages
- -Requires contacting sales for detailed information, which can be a barrier for initial exploration
Key features
OWASP ZAP
Open-source web application security scanner
Strengths
- +Free security scanner
- +Good for web apps
- +Active community
- +CI/CD integration
- +Open source
Weaknesses
- -Learning curve
- -False positives
- -Performance varies
- -UI dated
- -Configuration needed
Key features
Pricing: Black Duck vs OWASP ZAP
| Plan | Black Duck | OWASP ZAP |
|---|---|---|
| Tier 1 | Contact us Black Duck | Free Free |
Pricing verified from each vendor's public pricing page. Compare in detail on Black Duck pricing and OWASP ZAP pricing.
Who Should Use What?
On a budget?
OWASP ZAP is free. Black Duck is paid.
Go with: OWASP ZAP
Want the highest-rated option?
Neither has user reviews yet.
Go with: Black Duck
Value user reviews?
Neither has user reviews yet.
Go with: OWASP ZAP
3 Questions to Help You Decide
What's your budget?
Black Duck is paid. OWASP ZAP is free. Go with OWASP ZAP if free matters most.
What's your use case?
Both are security tools. Compare their specific features to decide.
How important are ratings?
Neither has user reviews yet.
Key Takeaways
OWASP ZAP
- Higher user rating: 4.5/5 vs 4.2/5
- Completely free
- Our pick for this comparison
Black Duck
- Larger review base (58 reviews)
The Bottom Line
OWASP ZAP is our pick.
Frequently Asked Questions
Is Black Duck or OWASP ZAP better?
OWASP ZAP is rated in our evaluation. Black Duck is paid and OWASP ZAP is free.
What are Black Duck and OWASP ZAP used for?
Black Duck: Comprehensive application security for managing software risk and accelerating secure delivery.. OWASP ZAP: Open-source web application security scanner.
What does Black Duck cost vs OWASP ZAP?
Black Duck is a paid tool. OWASP ZAP is completely free. Visit their websites for detailed pricing.