Alternatives to netcat for all platforms with Free License

  • Ettercap

    Ettercap is a suite for man in the middle attacks on LAN. It features sniffing of live connections, content filtering on the fly and many other interesting tricks. It...

    Free Open Source Mac Windows Linux

    Ettercap icon
  • Ethereal

    Ethereal® is used by network professionals around the world for troubleshooting, analysis, software and protocol development, and education. It has all of the...

    Free Open Source Windows Linux

    No features added Add a feature

    Ethereal icon
    • Discontinued
  • socat

    socat 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...

    Free Open Source Linux

  • Packetyzer

    Packetyzer provides a Windows user interface for the Ethereal packet capture and dissection library. Ethereal is used by network professionals around the world for...

    Free Open Source Windows

    Packetyzer icon
    • Discontinued
  • TcpLogView

    TcpLogView is a simple utility that monitors the opened TCP connections on your system, and adds a new log line every time that a TCP connection is opened or closed.

    Free Windows

    TcpLogView icon
  • PsPing

    PsPing is a command-line utility for measuring network performance. In addition to standard ICMP ping functionality, it can report the latency of connecting to TCP...

    Free Windows

    No features added Add a feature

  • tcpflow

    tcpflow, a TCP Flow Recorder, is a program that captures data transmitted as part of TCP connections (flows), and stores the data in a way that is convenient for...

    Free Open Source Mac OS X Windows Linux

    No features added Add a feature

  • AirSnare

    AirSnare is another tool to add to your Wireless Intrusion Detection Toolbox. AirSnare will alert you to unfriendly MAC addresses on your network and will also alert...

    Free Windows

    No features added Add a feature

    AirSnare icon
    • Discontinued The official website is no longer available. Last version, 1.5, released in May 2006, can be still downloaded from Download.com
  • NetCrypt

    NetCrypt is a small Open Source command line file-transfer utility providing authentication, confidentiality and integrity validation while still maintaining top-notch...

    Free Linux

    NetCrypt icon
  • PPerf

    PowerShell Iperf GUI - A PowerShell script to start iperf and show the output (similar to Jperf).

    Free Open Source Windows

Platforms

Desktop

Show 3 less popular platforms