ModSecurity - ModSecurity is an Open Source web application firewall developed by Trustwave's SpiderLabs.
Surge for Mac - Advanced Web Debugging Proxy for Mac & iOS
Naxsi - NAXSI means Nginx Anti XSS & SQL Injection.
Charles Proxy - HTTP proxy / HTTP monitor / Reverse Proxy
Cloudflare WAF - Whether you want automatic WAF protection from known vulnerabilities or have custom WAF rules, our real-time platform can do it.
HTTP Toolkit - Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, Android, CLI tools, scripts and more.