The QNX Demo Disk: a full xNix OS, with GUI and browser, on just 1 1.4MB floppy

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  • Overbot

    Team Overbot source code from the 2005 Grand Challenge

    • 1. Nothing. Someone was writing a QNX-type kernel in Rust. What happened to that? There's L4, but it's too low-level. It's more of a hypervisor. People usually run another OS, usually a stripped-down Linux, on top of L4. QNX offers a POSIX API, so you can run applications directly.

    2. C++. Here's the source code. [1]

    3. No.

    [1] https://github.com/John-Nagle/Overbot/

  • pcgeos

    #FreeGEOS source codes. The offical home of the PC/GEOS operating system technology. For personal computing fans. For all developers and assembly lovers. For YOU!

  • SurveyJS

    Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

    SurveyJS logo

  • v86

    x86 PC emulator and x86-to-wasm JIT, running in the browser

    • You can kind of play around with QNX by going here:

    https://copy.sh/v86/?profile=qnx

    If you're on a Windows system, you may have to go to C:\Windows and temporarily rename the HelpPane.exe system application in order to stop it from hijacking the F1 keypress that QNX expects.

  • openqnx

    Discontinued mirror of git://git.code.sf.net/p/monartis/openqnx

    • I don't have numbers, but the key ingredient is really minimizing context switches. This also results in priority inheritance while message passing which means that a high priority process gets the answer with it's own high priority, even if sending a message to a low priority process. Very smart.

    Teading the old open sourced sources can be quite interesting...

    https://github.com/vocho/openqnx/tree/master/trunk/lib/qnx43...

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