Burp Suite vs Little Snitch

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.

Little Snitch macOS firewall that monitors and filters outbound network connections on a per-application basis. It provides comprehensive features for security workflows. The tool is actively maintained with regular updates and strong community/vendor support.