Some of My Favorite Tools

LLMNR/NBNS Test Tool:
Responder
https://github.com/SpiderLabs/Responder

ARP Poisoning Test Tools:
Cain
http://www.oxid.it/cain.html

Other Favorite tools:
https://github.com/pentestgeek/smbexec
https://github.com/Veil-Framework/Veil-Evasion
https://github.com/ChrisTruncer/EyeWitness
https://github.com/brav0hax/easy-creds
https://github.com/xme/hoover
https://github.com/derv82/wifite
http://josho.org/software/plunder/plunder-1.4.jar
http://josho.org/software/plunder/plunder.html
http://sourceforge.net/projects/sslscan/
http://www.informatica64.com/evilfoca/
http://www.powershellempire.com/
https://www.shellterproject.com/
https://github.com/gentilkiwi/mimikatz
https://github.com/OpenSecurityResearch/hostapd-wpe
https://github.com/bidord/pykek
http://www.ntdsxtract.com/
Snarf:

http://www.josho.org/blog/blog/2014/06/20/snarf/