tcpdump
Open Source
tcpdump uses the libpcap library to capture packets.
Ettercap
Open Source
Ettercap is a comprehensive suite for man in the middle attacks.
netcat
Open Source
Netcat (nc) is a computer networking utility for reading from and writing to network connections using TCP or UDP. Netcat is designed to be a dependable back-…
Intercepter-NG
Free
Intercepter-NG is a multifunctional network toolkit for various types to recover interesting data from the network stream and perform different kinds of MiTM …
Compare Wireshark with alternatives
Compare Intercepter-NG and Wireshark and decide which is most suitable for you.