Little Snitch is a host-based application firewall for Mac OS X. It can be used to monitor applications, preventing or permitting them to connect to attached networks through advanced rules. Developed by Objective Development
License: Commercial
Hands Off! offers a more user-friendly approach with customizable rules and a focus on real-time monitoring, making it suitable for casual users. Little Snitch, on the other hand, provides comprehensive monitoring and a robust alert system, catering to users who need detailed control over their network connections.