DiamondCS

Port Explorer allows you to see all the open network ports/sockets on your system and which programs own them. Along with this ability it also has many tools including a packet sniffer, bandwidth throttling and country detection to name just a few.

ProcessGuard is a powerful kernel-level security system for Windows that protects your system from a large variety of attacks including spyware, rootkits, leaktests, process termination and modification, and much more.