OWASP ZAP

Name: OWASP ZAP
Brand: OWASP ZAP
Rating: 4.5 (22 reviews)

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Open-source web application security scanner

Security Testing & QA Developer Tools

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4.5(22 across the web)

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Reviews onG2Capterra

22 reviews tracked

The Bottom Line

Entry price

Free, no paid tier

Biggest pro

Free security scanner

Biggest con

Learning curve

TL;DR - OWASP ZAP

OWASP ZAP is a free security testing tool for finding web application vulnerabilities
It scans for security issues with automated and manual testing capabilities
Completely free and open-source

Pricing: Free forever

Best for: Individuals & startups

4.5/5 across review platforms

What is OWASP ZAP?

Editorial review

OWASP ZAP scans web applications for vulnerabilities. Open-source security testing-the scanner security testing often starts with. The tool is free and capable. The community maintains it. The learning is valuable. Security testing often includes ZAP for accessible vulnerability scanning.

LCLouis CorneloupUpdated May 26, 2026 · how we evaluateSourcezaproxy.org ↗

Pros & Cons

Pros

Free security scanner
Good for web apps
Active community
CI/CD integration
Open source

Cons

Learning curve
False positives
Performance varies
UI dated
Configuration needed

Ratings Across the Web

4.5(22 reviews)

Ratings aggregated from independent review platforms. Learn more

Key Features

Web security scannerPenetration testingActive scanningAPI scanningOpen sourceAutomation

Pricing Plans

Pricing checked Jul 11, 2026

Free

Open source

DAST
API scanning
CI/CD
Automation

Calculate your cost View full pricing

Reviews

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4.5/5

Across 22 verified user reviews on G2, Capterra

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Best OWASP ZAP Alternatives

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Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

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OWASP ZAP FAQ

How does OWASP ZAP help with web application security?

OWASP ZAP is an open-source web application security scanner that identifies vulnerabilities in web applications. It is often used as a starting point for security testing to discover potential weaknesses.

What kind of user benefits most from OWASP ZAP?

OWASP ZAP is best suited for developers, security professionals, and QA teams involved in testing web applications. Its capabilities are particularly valuable for those needing to integrate security scanning into their development workflows.

How is OWASP ZAP priced?

OWASP ZAP is free to use, as it is an open-source tool. There are no paid plans required to access its features for web application security scanning.

What are the main trade-offs when using OWASP ZAP?

A primary trade-off with OWASP ZAP is its learning curve, which can require an initial time investment. Users may also encounter false positives and a dated user interface, and performance can vary depending on the application being scanned.

Can OWASP ZAP be integrated into continuous integration/continuous delivery pipelines?

Yes, OWASP ZAP supports CI/CD integration, allowing security scanning to be automated within development and deployment workflows. This helps ensure that web applications are continuously checked for vulnerabilities.

How does OWASP ZAP compare to Burp Suite?

OWASP ZAP is an open-source and free web application security scanner with an active community, while Burp Suite is a commercial competitor. Both tools are used for vulnerability scanning, but ZAP's open-source nature makes it accessible without a cost.

Source: zaproxy.org

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