Burp Suite vs Let's Encrypt

Burp Suite by PortSwigger is a web application security testing platform used for penetration testing and vulnerability scanning. It provides an intercepting proxy, scanner, and extensible toolkit for finding web security issues.

Let's Encrypt is free, automated certificate authority that issues TLS certificates trusted by all major browsers. It provides comprehensive features for security workflows. The tool is actively maintained with regular updates and strong community/vendor support.