Software Development

OWASP ZAP

OWASP ZAP is a free open-source DAST proxy and web application security scanner for finding vulnerabilities in running apps.

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Overview

OWASP ZAP is an open-source dynamic application security testing tool for scanning running web applications, intercepting traffic, automating security tests, and finding exploitable vulnerabilities.

Updated Oct 21, 2026

6 things

What OWASP ZAP has

Apps

Windows
macOS
Linux

Extras

An online space where users can connect, share tips, and help each other. One of 80 Software Development tools with community.
An educational resource that explains a topic and helps readers build their knowledge. One of 31 Software Development tools with guide.
A place where users find add-ons, plugins or templates others made for the product. One of 15 Software Development tools with marketplace.

3 features

Key Features

Web app scanning
The world’s most widely used web app scanner.
Security automation
ZAP provides range of options for security automation. Check out the automation docs to start automating!
Community contributions
A community based GitHub Top 1000 project that anyone can contribute to.

Pros and cons

Pros

Free and open-source with no licensing costs.
Strong community support and continuous development.
Supports both automated and manual security testing.
Extensible through a marketplace of add-ons.
Comprehensive documentation for beginners and developers.

Cons

No official commercial support; relies on community assistance.
User interface may be complex for non-technical users.
Primarily focused on web applications, limited scope outside this domain.
Requires some security knowledge to configure advanced features.
No explicit pricing plans or commercial tiers available.

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Featured Video

See OWASP ZAP at work before you try it.

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0 questions

Frequently Asked Questions

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Community reviews

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Community reviews

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6 things

What OWASP ZAP has

Apps

Windows
macOS
Linux

Extras

An online space where users can connect, share tips, and help each other. One of 80 Software Development tools with community.
An educational resource that explains a topic and helps readers build their knowledge. One of 31 Software Development tools with guide.
A place where users find add-ons, plugins or templates others made for the product. One of 15 Software Development tools with marketplace.

3 features

Key Features

Web app scanning
The world’s most widely used web app scanner.
Security automation
ZAP provides range of options for security automation. Check out the automation docs to start automating!
Community contributions
A community based GitHub Top 1000 project that anyone can contribute to.

Pros and cons

Pros

Free and open-source with no licensing costs.
Strong community support and continuous development.
Supports both automated and manual security testing.
Extensible through a marketplace of add-ons.
Comprehensive documentation for beginners and developers.

Cons

No official commercial support; relies on community assistance.
User interface may be complex for non-technical users.
Primarily focused on web applications, limited scope outside this domain.
Requires some security knowledge to configure advanced features.
No explicit pricing plans or commercial tiers available.

You?

Be the first to rate OWASP ZAP

Your review helps others make better decisions. No account needed. Takes about 10 seconds.

Featured Video

See OWASP ZAP at work before you try it.

Watch on YouTube

0 questions

OWASP ZAP

Overview

What OWASP ZAP has

Apps

Extras

Key Features

Web app scanning

Security automation

Community contributions

Pros and cons

Pros

Cons

Be the first to rate OWASP ZAP

Featured Video

Frequently Asked Questions

What OWASP ZAP has

Apps

Extras

Key Features

Web app scanning

Security automation

Community contributions

Pros and cons

Pros

Cons

Be the first to rate OWASP ZAP

Featured Video

Frequently Asked Questions

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