the tcpkit was designed to make network packets programable with Lua script
MIT License
Various command-line tools, mostly for Linux
TCP 3way-handshake monitor
the TCPdump network dissector
An implementation of a small TCP/IP protocol stack for learning.
A multi-threading tool to sniff TCP flow statistics and embedded HTTP headers from PCAP file. Eac...
Fast multi-core TCP and WebSockets load generator.
PicoTCP is a free TCP/IP stack implementation