Alternatives to netcat for all platforms with any license





Indie / Classic

  • Wireshark icon


    Wireshark is the world's foremost network protocol analyzer. It lets you capture and interactively browse the traffic running on a...

    Open Source Mac Windows Linux BSD

  • Ettercap icon


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

    Open Source Mac Windows Linux

  • socat

    socat is a relay for bidirectional data transfer between two independent data channels. Each of these data channels may be a file...

    Open Source Linux

  • Debookee icon


    Debookee is a packet-capture tool and network analyzer that allows you to see what your devices are sending over the network.

    Commercial Mac

  • SmartSniff icon


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

    Free Windows

  • Ethereal icon

    Ethereal Discontinued

    Ethereal® is used by network professionals around the world for troubleshooting, analysis, software and protocol development, and...

    Open Source Windows Linux

  • icon

    App and device communication diagnostics tool for better bug tracking & QA. An easy-to-use tool that monitors http, BLE and...

    Freemium iPhone iPad

  • PPerf

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

    Open Source Windows

  • TcpLogView icon


    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...

    Free Windows

  • LANGuardian icon


    LANGuardian is the first and only deep packet inspection (DPI) software to provide SMB network managers with root cause information...

    Commercial Mac Windows Linux

  • 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...

    Open Source Mac Windows Linux

  • PsPing

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

    Free Windows

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  • Packetyzer icon

    Packetyzer Discontinued

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

    Open Source Windows

  • Pirni Pro icon

    Pirni Pro

    Pirni Pro is a network security tool designed for iOS, and specifically for iPhone and iPod Touch devices. It is capable of...

    Commercial iPhone

  • NetCrypt icon


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

    Free Linux

  • httpry

    httpry is a tool designed for displaying and logging HTTP traffic. It is not intended to perform analysis itself, but instead to...

    Open Source Linux

  • AirSnare icon

    AirSnare Discontinued

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

    Free Windows

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