MSSF-tools is a project mainly written in Python, it's free.
Hacky tools created for security-related and forensic purposes
parselnk.py - Parse windows .lnk files and get various bits of info from them.
spoofcheck.py - Test for ARP spoofing on OS X using the arp command.
arp_macresolve.py - Resolve MAC addresses from an ARP table listing to manufacturer names using the nmap listings