Alternatives to netcat for all platforms with any license

Platforms

Desktop

Mobile

Tablet

Indie / Classic

  • Wireshark icon

    Wireshark

    Wireshark is the world's foremost network protocol analyzer. It lets you capture and interactively browse the traffic running on a computer network. It is the de facto (and often de jure) standard across many industries and...

    Open Source Mac Windows Linux BSD

    No features added Add a feature
  • 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 supports active and passive dissection of many protocols (even...

    Open Source Mac Windows Linux

    No features added Add a feature
  • 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 conversations in Ascii mode (for text-based protocols, like HTTP, SMTP, POP3...

    Free Windows

  • Debookee icon

    Debookee

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

    Commercial Mac

    No features added Add a feature
  • 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 pseudo terminal), a socket (UNIX, IP4, IP6 - raw, UDP, TCP), an SSL...

    Open Source Linux

    No features added Add a feature
  • 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 standard features you would expect in a protocol analyzer, and several...

    Open Source Windows Linux

    No features added Add a feature
    • Discontinued
  • apptalk.ninja icon

    apptalk.ninja

    App and device communication diagnostics tool for better bug tracking & QA. An easy-to-use tool that monitors http, BLE and iBeacon communication over-the-air helping app developers with bug tracking and building more reliable...

    Freemium iPhone iPad

    No features added Add a feature
  • PPerf

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

    Open Source Windows

    No features added Add a feature
  • 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.

    Free Windows

    No features added Add a feature
  • LANGuardian icon

    LANGuardian

    LANGuardian is the first and only deep packet inspection (DPI) software to provide SMB network managers with root cause information about network and user activity. LANGuardian gives a deeper level of detail than standard flow tools...

    Commercial Mac Windows Linux

    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 protocol analysis or debugging. A program like 'tcpdump' shows a...

    Open Source Mac Windows Linux

    No features added Add a feature
  • 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 ports, the latency of TCP and UDP round-trip communication between...

    Free Windows

    No features added Add a feature
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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 troubleshooting, analysis, software and protocol development, and...

    Open Source Windows

    No features added Add a feature
    • Discontinued
  • 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 intercepting traffic on a wireless network segment, capturing passwords, and regular expressions entered by...

    Commercial iPhone

    No features added Add a feature
  • 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 performance and transfer speed between machines. No public key...

    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 capture, parse and/or log the traffic for later analysis. It can be run in real-time displaying the live...

    Open Source Linux

    No features added Add a feature
  • 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 you to DHCP requests taking place.

    Free Windows

    No features added Add a feature
    • Discontinued The official website is no longer available. Last version, 1.5, released in May 2006, can be still downloaded from Download.com

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