Is ZAP free?
Introducing ZAP
Zed Attack Proxy (ZAP) is a free, open-source penetration testing tool being maintained under the umbrella of the Open Web Application Security Project (OWASP). ZAP is designed specifically for testing web applications and is both flexible and extensible.
Is OWASP ZAP free?
OWASP ZAP - A full featured free and open source DAST tool that includes both automated scanning for vulnerabilities and tools to assist expert manual web app pen testing.