Showing 371 open source projects for "c-bios"

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  • 1
    DreamShell

    DreamShell

    Operating system for the Sega Dreamcast

    The Dreamshell is the operating system for the Sega Dreamcast based on the KallistiOS kernel. It has a dynamic loadable modular system and interface for creating applications with XML UI and both C/C++ and Lua scripts on. You can see examples in ready-made applications and modules, drivers for various devices, formats and interfaces. Examples for audio and video decoding, compression, packaging, binding, network, emulation, scripts and more. From hardcore low-level assembler to high-level applications. There is also large subproject is the ISO Loader, which contains emulation of BIOS system calls, CDDA playback, and VMU, also it can hooking interrupts for various SDKs and more.
    Downloads: 12 This Week
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  • 2
    CoolPotOS

    CoolPotOS

    CoolPotOS for ia32 / amd64

    CoolPotOS is a small, hobbyist operating system designed to be minimal and educational, offering the most basic kernel capabilities while remaining accessible to beginners. Written in C and Assembly, it focuses on bootstrapping, kernel entry, and simple console output. Though in early stages, CoolPotOS showcases the boot process, memory segmentation, and essential CPU features, serving as a great learning resource for those new to operating system internals.
    Downloads: 0 This Week
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  • 3
    MOROS

    MOROS

    MOROS: Obscure Rust Operating System

    MOROS is a hobby operating system written in Rust by Vincent Ollivier. It targets computers with an x86-64 architecture and a BIOS, typically from 2005 to 2020. It also runs well on most emulators. MOROS is open source. You can build or download an image. Check out the manual for details on how to use it. MOROS is text-based and draws inspiration from Unix and DOS to provide a simple and efficient environment for computing and communication from the command line.
    Downloads: 0 This Week
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  • 4
    Pony OS

    Pony OS

    My Little Unix: Kernels are Magic

    ponyos is a lightweight, UNIX-like operating system developed as a personal hobby project by the creator of ToaruOS. It features a monolithic kernel written in C and aims for a POSIX-compliant environment with a built-from-scratch userland. ponyos includes a graphical interface, dynamic linker, shared libraries, and a package manager. It’s designed for fun, experimentation, and as a platform to learn and play with operating system internals, with surprisingly advanced features given its hobbyist origin.
    Downloads: 18 This Week
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    SerenityOS

    SerenityOS

    The Serenity Operating System

    SerenityOS is an open source Unix-like operating system project with its own custom kernel, graphical user interface, system libraries, and userland tools. It combines a nostalgic “90s UI aesthetic” with modern system capabilities: a preemptive, multi-threaded kernel, own browsers, network stack, file systems, IPC, security features, and a suite of graphical / developer applications. The project is both a hobbyist OS and a polished engineering sandbox.
    Downloads: 56 This Week
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  • 6
    Glow OS

    Glow OS

    System Analysis Software

    Glow is an educational, hobbyist operating system written in C and Assembly, developed to help learners understand the internals of OS design and kernel development. Targeting x86_64 systems, Glow features its own kernel, bootloader, and minimal userland. With clear code structure and a simple design, it serves as a playground for experimenting with low-level systems programming, boot sequences, interrupt handling, and basic UI components like shells and text rendering.
    Downloads: 7 This Week
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  • 7
    OpenWrt

    OpenWrt

    A Linux operating system targeting embedded devices

    OpenWrt Project is a Linux operating system targeting embedded devices. Instead of trying to create a single, static firmware, OpenWrt provides a fully writable filesystem with package management. This frees you from the application selection and configuration provided by the vendor and allows you to customize the device through the use of packages to suit any application. For developers, OpenWrt is the framework to build an application without having to build a complete firmware around it;...
    Downloads: 20 This Week
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  • 8
    hhuOS

    hhuOS

    hhuOS - A small operating system

    hhuOS is an educational operating system project developed by students at Heinrich Heine University (HHU) in Düsseldorf, Germany. It is built from scratch in C and Assembly and intended as a teaching tool to help students grasp the foundations of kernel development, memory management, system calls, and multitasking. The project focuses on clarity, modularity, and hands-on experimentation with real OS components, making it suitable for OS development courses or personal exploration.
    Downloads: 1 This Week
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  • 9
    MentOS

    MentOS

    An educational 32-bit linux-like Operating System

    MentOS is an educational operating system developed for academic use, particularly in university settings, to help students understand low-level system concepts such as process management, memory handling, and scheduling. Written in C, MentOS closely mimics a simplified Unix-like OS and includes hands-on implementations of key kernel features. Designed to be highly readable and modular, it offers a practical approach to learning systems programming through real-world kernel components, making it a valuable tool for operating system courses and personal exploration.
    Downloads: 1 This Week
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  • 10
    egos-2000

    egos-2000

    Helping students read all the code of a teaching operating system

    egos-2000 is a minimalist operating system built for educational and research purposes, offering a simplified kernel and runtime environment for exploring OS concepts. It runs on QEMU and is written in C/C++ with a focus on clarity and modularity. The system includes a basic filesystem, process management, and syscall interface, making it ideal for understanding core OS principles. egos-2000 is particularly well-suited for students learning about kernels, user-space interaction, and boot-time execution in a clean, hands-on environment.
    Downloads: 0 This Week
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  • 11
    Fiwix

    Fiwix

    A UNIX-like kernel for the i386 architecture

    Fiwix is a Unix-like operating system kernel designed for educational purposes and hobbyist development, targeting the i386 architecture. It implements many classic UNIX principles and aims to provide a clean, well-documented codebase that is both readable and easy to study. Fiwix offers a functional kernel that supports ELF binaries, a virtual file system, and standard system calls, making it a great platform for learning OS internals or experimenting with system-level programming. Its...
    Downloads: 1 This Week
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  • 12
    StateOS

    StateOS

    Free real-time operating system (RTOS) for microcontrollers

    StateOS is a compact, open-source real-time operating system designed for embedded systems and written in ANSI C. It supports cooperative and preemptive multitasking, making it ideal for running multiple real-time tasks on microcontrollers. StateOS emphasizes clarity and ease of integration with existing projects and provides a full set of synchronization primitives, timers, and message-passing tools. It's widely used in industrial and academic settings for prototyping and low-level firmware development.
    Downloads: 0 This Week
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  • 13
    ANTIRTOS

    ANTIRTOS

    Function pointers queues classes library for Arduino

    ANTIRTOS is a compact real-time operating system (RTOS) written in ANSI C for microcontrollers and embedded systems. It is designed to be simple, portable, and efficient, making it ideal for resource-constrained environments such as IoT devices, robotics, and educational hardware projects. ANTIRTOS features a basic scheduler, support for cooperative and preemptive multitasking, and offers portability across different CPU architectures with minimal changes.
    Downloads: 0 This Week
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  • 14
    Genode

    Genode

    Genode OS Framework

    Genode is a capability-based, component-oriented operating system framework focused on building secure, modular, and flexible operating systems. Unlike monolithic or microkernel-only designs, Genode allows developers to construct OSes from fine-grained components that communicate through well-defined interfaces. It supports multiple kernels including NOVA, seL4, and Fiasco.OC, and has been used to build everything from microhypervisors to full desktops. Genode places strong emphasis on...
    Downloads: 1 This Week
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  • 15
    DiscoBSD

    DiscoBSD

    2.11BSD-based Unix-like OS for STM32 and PIC32 Microcontrollers

    Discobsd is an experimental UNIX-like operating system derived from 4.4BSD-Lite2, focused on simplicity, transparency, and education. It strips away non-essential features and complexity to present a cleaner codebase suitable for study and hacking. Discobsd preserves the classic UNIX environment while allowing room for modern experimentation, such as porting to alternative platforms or introducing new subsystems. It is valuable for those interested in historical BSD systems, teaching OS...
    Downloads: 0 This Week
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  • 16
    WANIX

    WANIX

    A virtual environment kit for the local-first web

    wanix is a hobbyist Unix-like operating system written from scratch in C, aiming to implement core features of a traditional OS in an educational and modular way. The project walks through kernel development starting from bootloading, memory management, system calls, and eventually to user programs. With support for x86_64 and simple tools like a shell and basic file I/O, wanix serves as both a learning platform and a launching point for more advanced kernel features.
    Downloads: 0 This Week
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  • 17
    SkiffOS

    SkiffOS

    Any Linux distribution, anywhere

    SkiffOS is a lightweight, containerized operating system optimized for embedded systems, edge devices, and single-board computers like the Raspberry Pi. It integrates Buildroot and Docker to create minimal, reproducible OS images that boot directly into a containerized user environment. SkiffOS supports running full Linux distros or custom applications in containers, providing both performance and modularity. It’s ideal for IoT deployments, secure kiosk systems, and remote-controlled appliances.
    Downloads: 0 This Week
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  • 18
    FunOS

    FunOS

    FunOS is a Linux distro based on Ubuntu LTS with JWM window manager

    FunOS is a lightweight and minimal GNU/Linux distro, based on Ubuntu LTS. Using the JWM window manager. It comes without Snap.
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    Downloads: 664 This Week
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  • 19
    Calam-Arch-Installer.iso

    Calam-Arch-Installer.iso

    Current Release: Calam-Arch-Installer-2026-06 Kernel: 7.0.10

    Now you can easily install pure arch linux from my Arch Live Linux with Calam-Arch-Installer through video instructions, following the steps. Install Legacy-Bios or UEFI, Support Luks Yes There are also 9 selectable graphical environments for installation, Xfce, Gnome, Plasma,Cinnamon, Budgie, Openbox, I3, Mate, Deepin Good Luck!
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    Downloads: 425 This Week
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  • 20
    MineBios

    MineBios

    16 bit real mod minecraft clone running in bios

    Downloads: 0 This Week
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  • 21
    Arch Linux USB OS

    Arch Linux USB OS

    Arch Linux Live USB

    Arch Linux on BTRFS - USB drive installation
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    Downloads: 16 This Week
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  • 22
    SparkyLinux

    SparkyLinux

    Lightweight & fast Debian-based Linux Distribution

    SparkyLinux is a GNU/Linux distribution created on the top of Debian GNU/Linux operating system. Sparky is fast, lightweight and fully customizable OS which offers a few versions for different users and different tasks. Sparky is in-between the distros that are beginner-friendly and those, that require some amount of Linux knowledge. Beginning Linux users are advised to consult the project forums regarding any issues or doubts.
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    Downloads: 2,136 This Week
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  • 23
    Alien-OS

    Alien-OS

    Alien-OS GNU/Linux Operating System

    Alien-OS Regolith based on Debian 12.13 Bookworm with integrated MX-Tools. use either sysVinit or systemd. User:Pass demo:demo root:root Installation: open a terminal and type "sudo minstall" OEM Installation: open a terminal and type "sudo minstall --oem" ----- https://www.alien-os.com https://www.alien-tec.com https://distrowatch.com/alienos ----- Please support us with your donation. Thank you. :-) Monero...
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    Downloads: 63 This Week
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  • 24
    mini-linux

    mini-linux

    Mini Linux USB Image

    Downloads: 4 This Week
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  • 25
    Archcraft

    Archcraft

    Yet another minimal Linux distribution, based on Arch Linux.

    Archcraft is an arch-based rolling-release distribution aimed at users who cares more about minimalism and aesthetics of their desktop. It comes pre-configured with various lightweight applications which makes it super fast. It can run under 500Mb of memory. There's no desktop environment in (main) Archcraft, just two highly configured window managers - Openbox and Bspwm. The default username & password is 'liveuser' for live ISO. The installer can be found in the app launcher and in...
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    Downloads: 1,285 This Week
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