Alternatives to Sysdig for all platforms with Free License

  • tcpdump

    tcpdump is a common packet analyzer that runs under the command line. It allows the user to intercept and display TCP/IP and other packets being transmitted or received...

    Free Open Source Mac OS X Windows Linux BSD

    tcpdump icon
  • strace

    Trace system calls and signals. A diagnostic, debugging and instructional userspace utility.

    Free Open Source Linux BSD FreeBSD

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  • lsof

    Lsof lists open files for running UNIX processes. It is a descendent of ofiles, fstat, and lsof versions 1, 2, and 3.

    Free Open Source Mac OS X Linux BSD

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  • 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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    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
  • Glsof

    Glsof is two separate utilities (Queries & FileMonitor) to the command line utility Lsof by Vic Abell.

    Free Open Source Linux

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Platforms

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