Showing 219 open source projects for "custom os"

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  • 1
    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: 14 This Week
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  • 2
    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...
    Downloads: 11 This Week
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  • 3
    Tock OS

    Tock OS

    A secure embedded operating system for microcontrollers

    Tock is a secure, embedded operating system designed for microcontrollers and low-power hardware platforms. Written in Rust, it uses a novel kernel architecture where the OS runs a minimal trusted core and all userland code, including device drivers, is sandboxed and isolated. Tock is ideal for IoT devices, wearables, and embedded research projects where reliability and safety are critical. Its capability-based security model and preemptive multitasking allow developers to safely run...
    Downloads: 1 This Week
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  • 4
    AmogOS

    AmogOS

    Among-us themed OS. As seen on Reddit and Youtube

    A parody OS inspired by Among Us. (pronounced A-mog-O-S).
    Downloads: 7 This Week
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  • 5
    Switch theme injector

    Switch theme injector

    Create custom themes for the Nintendo Switch

    ...As the console os doesn't implement custom themes natively most of this is done by patching system SZS files to get the desired aspect. Unfortunately, SZS files from the switch os contain copyrighted data and can't be shared online that's why the nxtheme format has been developed, it contains only differential info and can be freely shared. Unless you're dealing with making your own patches and custom layouts you should only use nxtheme files.
    Downloads: 12 This Week
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  • 6
    Cipher OS

    Cipher OS

    An Android Custom OS , Sturdy, Stable & Fast !

    CipherOS is a Android Custom OS, Based On AOSP , Striving to Provide its Users , A Clean , Bloat free & Sturdy Experience with Minimal Customisation !
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    Downloads: 183 This Week
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  • 7
    openFyde

    openFyde

    openFyde supported hardware "x86 PC with Intel HD graphics

    overlay-amd64-openfyde is the official overlay repository for the amd64 (x86_64) build of openFyde, a Chromium OS-based distribution tailored for developers, power users, and alternative devices outside of Google's supported ChromeOS hardware. openFyde offers a fast, secure, and web-centric desktop experience with support for Linux apps, Android containers, and cloud integration. This overlay includes the custom configurations and firmware patches necessary to optimize openFyde for generic x86_64 devices such as laptops and desktops.
    Downloads: 103 This Week
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  • 8
    Winhance

    Winhance

    Application designed to optimize and enhance your Windows experience

    ...Built as a C# application, it provides a user-friendly interface that allows users to manage apps, adjust system settings, and apply performance improvements without requiring a fresh OS installation. Winhance includes tools for removing unwanted Windows apps, installing third-party software via WinGet, and configuring privacy, update, and power settings. It also offers customization options for themes, taskbar layout, Start menu behavior, and File Explorer preferences. Advanced tools allow users to create custom Windows ISOs and generate autounattend.xml files based on their chosen configurations. ...
    Downloads: 161 This Week
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  • 9
    k23

    k23

    Experimental WASM Microkernel Operating System

    k23 is a microkernel-based operating system project written in Zig, an emerging systems programming language focused on safety, simplicity, and performance. k23 explores the design of modern OS features like message-passing, memory protection, and modular service construction using Zig’s powerful low-level capabilities. It is an experimental and educational project intended to show how Zig can be used for robust, readable systems programming while enabling contributors to rethink traditional...
    Downloads: 1 This Week
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  • 10
    SGDK 1.90

    SGDK 1.90

    A free and open development kit for the Sega Mega Drive

    SGDK is a free development kit allowing the development of software in C language for the Sega Mega Drive. It contains the development library itself (with the code sources) and some custom tools used to compile resources. SGDK uses the GCC compiler (m68k-elf target) and the libgcc to generate a ROM image. Binaries (GCC 6.3) are provided for Windows OS for convenience, but you need to install it by yourself for other operating systems. Note that SGDK also requires Java (custom tools require it), so you need to have Java installed on your system. ...
    Downloads: 20 This Week
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  • 11
    shift-os

    shift-os

    A fast, elegant Linux distribution based on Ubuntu 24.04 LTS with pure

    Shift OS is a custom Linux distribution built on Ubuntu 24.04 LTS, designed for developers, creators, and gamers who want a clean, fast, and beautiful desktop experience without the bloat. Shift OS ships with pure, unmodified GNOME 46 running on Wayland by default — delivering tear-free rendering, smooth animations, and improved security out of the box.
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    Downloads: 71 This Week
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  • 12
    PDFRip

    PDFRip

    A multi-threaded PDF password cracking utility

    A multi-threaded PDF password cracking utility equipped with commonly encountered password format builders and dictionary attacks. pdfrip is a fast multithreaded PDF password cracking utility written in Rust with support for wordlist-based dictionary attacks, date and number range bruteforcing, and a custom query builder for password formats. You can write your own queries like STRING{69-420} with the -q option which would generate a wordlist with the full number range. You can pass in an...
    Downloads: 17 This Week
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  • 13
    Raspberry Pi Imager

    Raspberry Pi Imager

    Tool for creating bootable media for Raspberry Pi devices

    Raspberry Pi Imager is an official utility designed to simplify the process of creating bootable storage media for Raspberry Pi devices. It provides a user-friendly graphical interface that allows users to select an operating system, download it if necessary, and write it directly to an SD card or USB drive. The tool supports Windows, macOS, and Linux, making it accessible to a broad range of users from beginners to advanced developers. It also includes customization options such as...
    Downloads: 70 This Week
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  • 14
    PyInstaller

    PyInstaller

    Freeze (package) Python programs into stand-alone executables

    PyInstaller freezes (packages) Python applications into stand-alone executables, under Windows, GNU/Linux, Mac OS X, FreeBSD, Solaris and AIX. PyInstaller’s main advantages over similar tools are that PyInstaller works with Python 3.5 to 3.9, it builds smaller executables thanks to transparent compression, it is fully multi-platform, and use the OS support to load the dynamic libraries, thus ensuring full compatibility. The main goal of PyInstaller is to be compatible with 3rd-party packages out-of-the-box. ...
    Downloads: 158 This Week
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  • 15
    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: 4 This Week
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  • 16
    Pomotroid

    Pomotroid

    Simple and visually-pleasing Pomodoro timer

    ...Pomotroid is simple and straightforward, making it incredibly easy to use. Several themes included with the ability to create custom themes. Customize times and number of rounds (persistent). Charming timer alert sounds (optional).
    Downloads: 14 This Week
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  • 17
    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: 4 This Week
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  • 18
    Mist-OS [Pacman]

    Mist-OS [Pacman]

    A Custom ROM project for Nothing Phone 2a (Pacman) - MistOS

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    Downloads: 133 This Week
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  • 19
    Puter

    Puter

    The Internet OS! Free, Open-Source, and Self-Hostable

    Puter is a browser-based personal operating system and file explorer built entirely with web technologies. It mimics the experience of a traditional desktop OS, allowing users to manage files, launch apps, and interact with a graphical interface—all within a web browser. The project is designed to be both functional and nostalgic, combining the aesthetic of retro operating systems with modern development tools like React and Tailwind CSS. Puter offers a self-hostable, customizable...
    Downloads: 10 This Week
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  • 20
    Xray_OS

    Xray_OS

    Xray_OS is Angel's own Linux distro.

    Xray_OS has custom tools in development, and has two pre-configured desktop environments available KDE Plasma and XFCE. SystemD now will include Age verification and probably Arch devs will go crazy and replace normal pacman with a rusty one.. so.. one of the goals for the next year at least is.. patch components that are Systemd dependent with LiberatedD, and Fork the current pacman before they ruin it with rust, Rust is my second favorite language, but I'm definitely against this idea...
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    Downloads: 563 This Week
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  • 21
    GameMode

    GameMode

    Optimise Linux system performance on demand

    GameMode is a daemon/lib combo for Linux that allows games to request a set of optimizations be temporarily applied to the host OS and/or a game process. GameMode was designed primarily as a stop-gap solution to problems with the Intel and AMD CPU power save or on-demand governors but is now host to a range of optimization features and configurations.
    Downloads: 8 This Week
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  • 22
    Perfetto

    Perfetto

    Production-grade client-side tracing, profiling, and analysis

    Perfetto is a production-grade tracing platform for Android, Linux, and Chrome that captures extremely detailed information about what a system is doing over time. It’s designed around a low-overhead producer/consumer model: instrumented components (“producers”) write binary events into shared memory buffers and a collector (“service”) reliably streams them to storage. The data model spans kernel and userspace, so you can stitch together CPU scheduling, app lifecycles, binder/IPC hops, GPU...
    Downloads: 10 This Week
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  • 23
    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: 39 This Week
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  • 24
    StartOS

    StartOS

    Linux server OS optimized for self-hosting

    StartOS is a sovereign, self-hosted operating system built by Start9 Labs to empower individuals with digital independence. Designed to run on personal servers, it provides a privacy-first interface for installing, managing, and running decentralized applications without needing technical expertise. StartOS includes services like Bitcoin nodes, messaging platforms, file hosting, and password managers, all running locally and without third-party control. With a user-friendly UI and strong...
    Downloads: 11 This Week
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  • 25
    NautilusTrader

    NautilusTrader

    A high-performance algorithmic trading platform

    NautilusTrader is an open-source, high-performance, production-grade algorithmic trading platform, provides quantitative traders with the ability to backtest portfolios of automated trading strategies on historical data with an event-driven engine, and also deploy those same strategies live, with no code changes. The platform is 'AI-first', designed to develop and deploy algorithmic trading strategies within a highly performant and robust Python native environment. This helps to address the...
    Downloads: 10 This Week
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