Netcat is a featured networking utility which reads and writes data across network connections, using the TCP/IP protocol. It is designed to be a reliable "back-end" tool that can be used directly or easily driven by other programs and scripts.
- - netcat is the most popular Windows, Mac & Linux alternative to pwncat.
- - netcat is the most popular Open Source & free alternative to pwncat.
The last version (0.7.1) was released in January 2004.
socat, SOcket CAT, is a relay for bidirectional data transfer between two independent data channels. Each of these data channels may be a file, pipe, device (serial line etc. or a pseudo terminal), a socket (UNIX, IP4, IP6 - raw, UDP, TCP), an SSL socket, proxy CONNECT...
Packet Sender can send and receive UDP, TCP, and SSL on the ports of your choosing. All servers and clients may run simultaneously.
- - Packet Sender is the most popular Android, iPhone, iPad & Android Tablet alternative to pwncat.