Wireshark - Wireshark is a network protocol analyzer for Unix and Windows. It lets you capture and interactively browse the traffic running on a computer network.
Autoruns - See what programs are configured to startup automatically when your system boots and you login.
tcpdump - tcpdump is a common packet analyzer that runs under the command line.
CCleaner - CCleaner cleans, speeds up and frees up space on business endpoints.
netcat - Netcat is a featured networking utility which reads and writes data across network connections...
Glary Utilities - The No. 1 Free, Powerful and All-in-one utility for cleaning your PC