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  • 1
    KMON

    KMON

    Linux Kernel Manager and Activity Monitor

    ...The Linux kernel is the open-source, monolithic, and, Unix-like operating system kernel that is used in the Linux distributions, various embedded systems such as routers, and as well as in all Android-based systems. Linus Torvalds conceived and created the Linux kernel in 1991 and it's still being developed by thousands of developers today. It's a prominent example of free and open-source software and it's used in other free software projects, notably the GNU operating system. Although the Linux-based operating systems dominate most of computing, it still carries some design flaws which were quite a bit of debate in the early days of Linux.
    Downloads: 0 This Week
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  • 2
    EmuTOS

    EmuTOS

    Free operating system for Atari computers, and more.

    EmuTOS is a TOS compatible operating system for Atari ST series computers, and more. It is made from Digital Research's GPLed original sources and is a free and open source alternative to Atari proprietary ROMs.
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    Downloads: 233 This Week
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  • 3
    Linuxfx Winux OS

    Linuxfx Winux OS

    Winux Operating System by Linuxfx

    Break free from hardware restrictions and forced upgrades. Winux is the definitive successor for Windows 10 users seeking performance and reliability. Featuring an Intuitive Familiar Interface and Native Compatibility for your essential software.
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    Downloads: 269 This Week
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  • 4
    FreeRTOS Real Time Kernel (RTOS)

    FreeRTOS Real Time Kernel (RTOS)

    Market leading real time kernel for 40+ microcontroller architectures

    ************************************************************************************************************************ * The primary FreeRTOS repository is now in Git. Go to https://github.com/freertos for the latest FreeRTOS kernel and libraries. * Our support has moved to https://forums.freertos.org. ************************************************************************************************************************ FreeRTOS is a market-leading real-time operating system (RTOS)...
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    Downloads: 221 This Week
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  • Stop Cyber Threats with VM-Series Next-Gen Firewall on Azure Icon
    Stop Cyber Threats with VM-Series Next-Gen Firewall on Azure

    Native application identity and user-based security for your Azure cloud

    Gain integrated visibility across all traffic in a single pass. Deploy Palo Alto Networks VM-Series to determine application identity and content while automating security policy updates via rich APIs.
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  • 5
    Simply Memory Manager

    Simply Memory Manager

    Memory manager for Free Pascal

    The Simply Memory Manager (SMM) is a replacement for the native memory manager for Free Pascal and Lazarus projects on Windows. Download SMM at https://opensimply.org/smm Free Pascal's native memory manager uses certain memory allocation and deallocation functions for 32-bit Windows applications that cause fatal errors when reusing large amounts of memory repeatedly, and it runs in this case rather slowly.
    Downloads: 0 This Week
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  • 6
    QP Real-Time Event Frameworks & Tools

    QP Real-Time Event Frameworks & Tools

    Real-Time Event Frameworks based on active objects & state machines

    QP real-time event frameworks (RTEFs) provide lightweight, modern, event-driven architecture based on asynchronous Active Objects (Actors) and Hierarchical State Machines. The matching QM model-based design tool and other host-based tools complement the QP frameworks by supporting graphical modeling, code generation, software tracing, and unit testing for event-driven embedded software. Visit https://www.state-machine.com for more information. The QP RTEFs can run on bare-metal...
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    Downloads: 42 This Week
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  • 7

    SerpaeOS

    A cute and educational x86 OS

    SerpaeOS is a free, open-sourced x86 OS. It aims to provide a good resource for OSDevers to observe how certain features are implemented. The latest version is 23.2.1 Have a tip? Found a bug? Have a comment? Want to help? Contact us at serpaeos.devers@gmail.com Buy me a coffee! :) https://bmc.link/serpaeosdeL System Requirments: *4 GB Memory *4GB minimum PATA Hard Disk connected to the master slot on the primary IDE controller.
    Downloads: 0 This Week
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  • 8
    HelenOS

    HelenOS

    A microkernel-based multiserver operating system written from scratch.

    ...HelenOS does not aim to be a clone of any existing operating system and trades compatibility with legacy APIs for cleaner design. Most of HelenOS components have been made to order specifically for HelenOS so that its essential parts can stay free of adaptation layers, glue code, franken-components and the maintenance burden incurred by them.
    Downloads: 1 This Week
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  • 9
    Vodogray Linux
    Vodogray is a fast operating system oriented at creative people, it includes more software for creators and their tasks Source files available on GitHub https://github.com/VodograyLinux I publish news about the distribution and its development in the Telegram channel https://t.me/VodograyNews
    Downloads: 0 This Week
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    AppSignal's MCP server hands Claude, Cursor, or Zed your real errors, traces, and the deploy that shipped them. AI writes the fix; you review the diff.
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  • 10
    MeanOS

    MeanOS

    The smallest and the most powerful operating system.

    ...Mean OS is specifically designed to support both Brave and Tor but is compatible with all other major browsers. Mean OS is Proud to be a BRAVE and TOR supporter, be free!!
    Downloads: 8 This Week
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  • 11
    elastic-jupyter-operator

    elastic-jupyter-operator

    Cloud-native way to provide elastic Jupyter Notebooks on Kubernetes

    Jupyter is a free, open-source, interactive web tool known as a computational notebook, which researchers can use to combine software code, computational output, explanatory text, and multimedia resources in a single document. For data scientists and machine learning engineers, Jupyter has emerged as a de facto standard. At the same time, there has been growing criticism that the way notebooks are being used leads to low resource utilization.
    Downloads: 0 This Week
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  • 12
    Hiren's CD 2 Bootable USB
    Make Bootable Hiren's USB in easy steps. "Hiren's CD to Bootable USB" is a free to use tool to make bootable USB disk from Hiren's CD iso. https://knowit-now.com/download-hirens-boot-cd-15-2-iso/ https://knowit-now.com/download-hirens-boot-cd-11-0-iso/ https://knowit-now.com/hirens-cd-2-bootable-usb/ You can get support on Facebook page https://www.facebook.com/Hirens-CD-2-Bootable-USB-1440129386302328/
    Downloads: 32 This Week
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  • 13

    IntrOS

    Free cooperative operating system designed for microcontrollers

    Free, simple and tiny cooperative operating system (OS) designed for deeply embedded applications. Target: ARM Cortex-M, STM8, AVR8. It was inspired by the concept of a state machine. Procedure executed by the task (task state) doesn't have to be noreturn-type. It will be executed into an infinite loop. There's a dedicated function for immediate change the task state.
    Downloads: 0 This Week
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  • 14
    StateOS

    StateOS

    Free real-time operating system designed for microcontrollers

    Free, extremely simple, amazingly tiny and very fast real-time operating system (RTOS) designed for deeply embedded applications. Target: ARM Cortex-M, STM8. It was inspired by the concept of a state machine. Procedure executed by the task (task state) doesn't have to be noreturn-type. It will be executed into an infinite loop. There's a dedicated function for immediate change the task state.
    Downloads: 0 This Week
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  • 15
    Pharos

    Pharos

    RTOS for Secure, Safe and Real-Time Systems

    Pharos is a free open-source RTOS for secure, safe and real-time systems with the following characteristics: - Memory and enhanced time partitioning (TSP) - Native support for sporadic, periodic and aperiodic threads - Fixed-priority preemptive scheduler - Execution time protection (threads are prevented from executing for more time than they are configured to) - Small size (full image has ~100 to 300KiB text, ~30KiB data) - Hard real-time determinism - Fast critical sections - Prioritized nested interrupts - inter-partition communication with filters to protect unwanted access - Multicore support (RMP) - Supports ARM9, Cortex-A/R/M and Aarch64, RISC-V64 (64 bits) - The complete TestSuite (see below information) is run successfully for each platform in each release - Tested: more than 170 KLOC of requirement-based tests, executed for each board at each release - Up-to-date User Manual also available See our wiki page for more information.
    Downloads: 0 This Week
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  • 16
    Mark3 RTOS

    Mark3 RTOS

    Open-source RTOS and Embedded Systems Toolkit for C++ and C

    ...It currently supports a variety of Atmel AVR, MSP430, and the ARM Cortex-M series of microcontrollers, with other platforms to follow. Mark3 was designed from the ground-up using disciplined object-oriented design principles - and unlike the vast majority of free or commercial RTOS' is written in C++, with bindings for C-language compatibility. The carefully designed object model drastically reduces the overall size and complexity of the source code, leading to enhanced code reuse, stability, and modularity. It also makes the source easier to understand - any experienced C/C++ developer should be able to understand the relationship between objects in the system, as well as use and extend them to fit a given application.
    Downloads: 0 This Week
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  • 17
    HackSys Extreme Vulnerable Driver

    HackSys Extreme Vulnerable Driver

    HackSys Extreme Vulnerable Driver (HEVD) - Windows & Linux

    ...It has been developed for security researchers and enthusiasts to improve their skills in kernel-level exploitation. HEVD offers a range of vulnerabilities, from simple stack buffer overflows to more complex issues such as use-after-free, pool buffer overflows, and race conditions. This allows researchers to explore exploitation techniques for each implemented vulnerability.
    Downloads: 2 This Week
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  • 18
    FD-FDD

    FD-FDD

    My FreeDOS Floppy Disk Distribution

    This is my little "FreeDOS Floppy Disk Distribution". It is intended for computers without a CD drive or not able to boot from CD. It will work down to 8086. See xxxxxxxxx for details. Right now only the LIVE image is available. Installable coming soon.
    Downloads: 0 This Week
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  • 19

    BootDebug

    A Debug style tool for OS Free systems

    BootDebug is kind of an odd ball tool. It boots up like an OS (using Grub) but is not really an OS at all. What it provides is a tool to look at the system in a very pure state, allowing you to see exactly what is going on at they very start of the system powering up.
    Downloads: 0 This Week
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  • 20
    Lightweight ext4 filesystem library

    Lightweight ext4 filesystem library

    ext2/3/4 library for microcontrollers

    Code is also available on github: https://github.com/gkostka/lwext4 Feel free to contact me: kostka.grzegorz@gmail.com
    Downloads: 0 This Week
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  • 21
    TORO kernel
    ...During the initialization, the memory is divided proportionally for each processor installed on the system. When a thread needs memory, the memory allocator returns a free block of memory depending on which CPU the thread is running. In the same way, TORO can dedicate resources to specific processor, i.e. a FileSystem. This only CPU then can access to this instance of FileSystem. The scheduler is based on the cooperative threading model, therefore due to this design, TORO can migrate threads between CPUs and send messages between threads without using any lock instruction. ...
    Downloads: 0 This Week
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  • 22
    µOS++ (micro OS plus plus)
    "µOS++" (micro OS plus plus) is an open source, royalty-free, real-time operating system intended for embedded systems built around ARM Cortex M or AVR devices. It is based on a preemptive scheduler written in C++ (more info in the Wiki).
    Downloads: 15 This Week
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  • 23
    Sensa

    Sensa

    Android, DOS, FirefoxOS, Linux, MacOS and Windows all in one..

    Sensa is not an operating system, is a work environment compatible with Android © 4.4.4, Firefox OS ©, Linux Ubuntu 12.12 ©, MacOS Classic 7 ©, MS -DOS © operating systems, and Microsoft Windows 8.1 ©; whose distribution is free, and with source code available under GNU GPL 2.0 license .
    Downloads: 1 This Week
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  • 24
    FROST operating system
    NOTICE: This project has been moved to https://github.com/thrimbor/frost The sourceforge project will not get updated anymore! FROST is a free operating system written in FreeBASIC and Assembly with the goal to create a small and stable system. It uses GRUB 2 as its bootloader.
    Downloads: 0 This Week
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  • 25
    SuperWikia Alpha Codebase 1.1

    SuperWikia Alpha Codebase 1.1

    SuperWikia: The Runtime/Realtime Environment for Codesmiths

    The SuperWikia Alpha 1.0 application is an IDE specifically developed for 3D and graphic content. Its built upon the Unity foundation and incorporates various libraries from Komodo IDE, wxDevC++, CodeBlocks, QT Creator and other applications. Its Realtime purpose is an IDE (codesmith developer access), its Runtime (U/I) function is as a space building simulator, operating in conjunction with the SuperWikia 'Navigator' user interface to simulate space economics and fleet operations. It...
    Downloads: 0 This Week
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