No docs yet, not really ready to even play with, but it makes some sound.
go build sot.go; sudo ./sot -i en1
# it needs to run as root for PCAP to have access to the packets
# -i is the interface, just run sudo ./sot for a list of interfaces
see http://www.geek.com/apps/this-is-what-a-ddos-attack-looks-like-1552975/ for some visuals inspiration