Zed Attack Proxy (ZAP) is described as 'The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding vulnerabilities in web applications' and is a penetration testing tool in the network & admin category. There are more than 25 alternatives to Zed Attack Proxy (ZAP) for a variety of platforms, including Windows, Linux, Web-based, Mac and SaaS apps. The best Zed Attack Proxy (ZAP) alternative is Fiddler, which is free. Other great apps like Zed Attack Proxy (ZAP) are mitmproxy, HTTP Toolkit, Burp Suite and Charles.