Ettercap is a multipurpose sniffer/interceptor/logger for switched LAN.
It supports active and passive dissection of many protocols (even ciphered ones) and includes many feature for network and host analysis. Development has been moved to GitHub, https://github.com/Ettercap/ettercap
BFBTester is great for doing quick, proactive, security checks of binary programs. BFBTester will perform checks of single and multiple argument command line overflows and environment variable overflows. Versions 2.0-BETA and higher can also watch for tem