Packet Sender — Open Source Dev Tools App

Set up network packets based on IP, port, Hex or ASCII data and specify either UDP or TCP protocol. Results are stored in the live traffic log. Packets in the log can be easily saved and sent right back out to another destination. In addition to sending packets, Packet Sender has a built-in TCP and UDP server running on the port numbers you specify. 1x1 widget support allows sending a packet direct from the home screen.