Alternatives to netcat for all platforms with Free License

Platforms

Desktop

Show 3 less popular platforms
  • SmartSniff icon

    SmartSniff

    SmartSniff is a packet sniffer that capture TCP/IP packets and display them as sequence of conversations between clients and servers. You can view the TCP/IP...

    Free Windows

  • Ethereal 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

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    • Discontinued
  • Ettercap icon

    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 OS X Windows Linux

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  • 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

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  • Packetyzer icon

    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

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    • Discontinued
  • TcpLogView icon

    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.

  • 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

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  • 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

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  • AirSnare icon

    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

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

    httpry is a tool designed for displaying and logging HTTP traffic. It is not intended to perform analysis itself, but instead to capture, parse and/or log the traffic...

    Free Open Source Linux

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  • NetCrypt icon

    NetCrypt

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

  • PPerf

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

    Free Open Source Windows

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