PKMap is a functional packet manipulator/injector. It currently supports ETH/IP/TCP/UDP/ICMP/(R)ARP.
You can download it from the following link: https://packetstormsecurity.com/files/download/60849/pkmap-0.1e.bz2
Source: https://packetstormsecurity.com/files/60849/pkmap-0.1e.bz2.html