In these links, you will find more information about the mentioned tools and the official Python documentation for some of the commented modules:

• http://www.secdev.org/projects/scapy
• http://www.secdev.org/projects/scapy/build_your_own_tools.html
• http://scapy.readthedocs.io/en/latest/usage.html
• https://github.com/CoreSecurity/pcapy

Tools based in scapy:

• https://github.com/nottinghamprisateam/pyersinia
• https://github.com/adon90/sneaky_arpspoofing
• https://github.com/tetrillard/pynetdiscover

pyNetdiscover is an active/passive address-reconnaissance tool and ARP Scanner, which has as requirements python2.7, and the scapy, argparse, and netaddr modules.