• Charles Web Debugging Proxy

http://www.charlesproxy.com/

• SmartSniff Network Monitoring Utility

http://www.nirsoft.net/utils/smsniff.html

• Emulab Network Emulation Testbed

http://emulab.net

• tcptrace Analysis of TCP dump files

http://www.tcptrace.org/

• switcher Run SSH and HTTP(S) on the same port

https://github.com/jamescun/switcher

• tcpswitch TCP-Switch Application

http://tcpswitch.sourceforge.net/