Showing 278 open source projects for "open source invoice"

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  • 1
    Sandboxie

    Sandboxie

    Sandboxie Plus & Classic

    Sandboxie (and its enhanced fork Sandboxie Plus) is an open-source sandboxing tool for Windows NT-based systems. It creates isolated virtual environments in which applications can run safely without permanently modifying the system, ideal for testing untrusted software. Sandboxie Classic has the old no longer developed MFC-based UI, hence it lacks native interface support for Plus features.
    Downloads: 46 This Week
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  • 2
    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: 21 This Week
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  • 3
    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...
    Downloads: 9 This Week
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  • 4
    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: 2 This Week
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  • Retool your internal operations Icon
    Retool your internal operations

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  • 5
    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: 1 This Week
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  • 6
    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,...
    Downloads: 1 This Week
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  • 7
    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...
    Downloads: 1 This Week
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  • 8
    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: 0 This Week
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  • 9
    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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  • Free and Open Source HR Software Icon
    Free and Open Source HR Software

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  • 10
    Nightingale OS

    Nightingale OS

    A small operating system where I experiment and learn osdev

    nightingale is a modern hobby operating system developed in Rust, focusing on safety, simplicity, and minimalism. It aims to be a clean platform for experimentation and learning, implementing a small kernel with core features like multitasking, memory protection, and a minimal filesystem. Its use of Rust provides strong guarantees around memory safety and eliminates common bugs found in low-level C-based systems. nightingale is ideal for those seeking to study OS development using a modern...
    Downloads: 0 This Week
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  • 11
    ReactOS

    ReactOS

    An operating system based on the best Windows NT design principles

    ReactOS is an open source effort to develop a quality operating system that is compatible with applications and drivers written for the Microsoft Windows NT family of operating systems (NT4, 2000, XP, 2003).
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    Downloads: 9,041 This Week
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  • 12
    CachyOS

    CachyOS

    Blazingly Fast & Customizable Linux distribution

    CachyOS - Arch Linux Based Distribution With Heavy Optimizations & Multi-Architectures For Ultimate Desktop Experience Filesystems: - btrfs - zfs - ext4 - xfs - f2fs Our installer will auto detect which micro architecture your machine got, if x86-64-v3 or x86-64-v4 is detected it will automatically use the optimized packages, which is around a 10 % performance improvement. Desktop Environments: - KDE - CuteFish - i3 - Gnome - Openbox - Wayfire - Xfce - LXQT -...
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    Downloads: 7,749 This Week
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  • 13
    deepin
    deepin is a Debian-based distribution that aims to provide an elegant, user-friendly and reliable operating system. It does not only include the best the open source world has to offer, but it has also created its own desktop environment called DDE or Deepin Desktop Environment which is based on the Qt 5 toolkit. Deepin focuses much of its attention on intuitive design. Its home-grown applications, like Deepin Software Centre, DMusic and DPlayer are tailored to the average user. Being easy to install and use, deepin can be a good Windows alternative for office and home use.
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    Downloads: 3,001 This Week
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  • 14
    Arrow OS

    Arrow OS

    It is an AOSP based project with an aim of keeping things clean!

    ArrowOS is an AOSP based open source project started with the aim of keeping things simple, clean and neat, both for the Android system and users. We understand the pain of unnecessary and sometimes rarely used mods/features being shipped with custom roms nowadays which may end up causing battery drains and/or memory leaks. This is being strictly avoided on our side keeping everything to a bare minimum, delivering the stable performance all the time without destroying the AOSP interface. ...
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    Downloads: 921 This Week
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  • 15
    Lingmo OS
    Lingmo GNU/Linux (Lingmo OS) is a desktop based Linux operating system developed based on the open-source Debian kernel and adapted to the amd64 architecture. It has a beautiful desktop environment, software that is compatible with the desktop environment, and a unified UI style. The goal of Lingmo GNU/Linux is to provide users with a luxurious and practical desktop environment as well as a smooth experience on low performance hardware.
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    Downloads: 550 This Week
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  • 16
    ALG

    ALG

    A Fast, Offline, Graphical distribution based on Arch Linux

    October 2025 ISOs have been released! 3 new ISOs - PLASMA, GNOME, XFCE have been released. Thank you to all the members in the ALG community for their support.
    Leader badge
    Downloads: 454 This Week
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  • 17
    Ultimate Edition

    Ultimate Edition

    An Ubuntu remix for both new and experienced Linux sophisticates

    Ultimate Edition Linux, previously "Ubuntu Ultimate Edition". We cater to a large base of *nix users including, but certainly not limited to gamers & low resource computers. We have a Ultimate Edition for virtually any user.
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    Downloads: 534 This Week
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  • 18
    <<Hack|Track GNU/Linux

    <<Hack|Track GNU/Linux

    Distro Penetrasing Live System Burn to USB Flash Disk & Run.

    <<Hack|Track GNU/Linux is an open source operating system developed by the HTGL Project from Indonesia which provides penetration testing.
    Downloads: 260 This Week
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  • 19
    Mac OS X 10.4 UTM release

    Mac OS X 10.4 UTM release

    OS X 10.4 tiger build. for UTM App.

    OS X 10.4 tiger build. for UTM App. to use Mac OS X 10.4 Tiger to feel nostalgic, and learn about apple old UI UX, features and documentation form of vintage/ obsolete software Operating system
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    Downloads: 78 This Week
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  • 20
    KaNaPi

    KaNaPi

    Educational Linux Distribution

    Main goals: * Prepare operating system based on Linux kernel and free software for use at home from scratch by building sources. Binary packages/images are also available. * Each package is installed in separate directory, so you can use different versions of applications and libraries by design. * There is only one user 'kanapi' with root permissions, so you don't have to login, remember passwords, etc. * Simple configuration * Automatic compilation.
    Downloads: 41 This Week
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  • 21
    AROS Research Operating System
    The AROS Research Operating System is an effort to implement an Open Source and portable operating system that is compatible with AmigaOS(TM). Originally, it was meant as a direct reimplementation, but already has features not existing in AmigaOS.
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    Downloads: 193 This Week
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  • 22
    Berry Linux

    Berry Linux

    A lightweight flavor of Linux based on Fedora

    Berry Linux is a bootable CD Linux, automatic hardware detection. Berry Linux can be used as a Linux demo, educational CD, rescue system. It is not necessary to install anything on a hard disk.
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    Downloads: 47 This Week
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  • 23
    Robolinux

    Robolinux

    Announcing Robolinux Cinnamon 14.1

    Announcing The New Robolinux Series 14 Mate LTS - 2034 Robolinux is very pleased to announce a completely new 14.1 Mate privacy centered 1inux operating system you can download freely while also offering our users an optional 14+ advanced upgrade which comes with our Untracker and FAAST Boot along with one click popular privacy software installers like Tor and I2p, Wireshark and Bleachbit plus many more for a fair and reasonable price. Robolinux14.1-Mate is ideal for beginners and...
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    Downloads: 86 This Week
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  • 24
    NebiOS Alternative Mirror (Official)

    NebiOS Alternative Mirror (Official)

    An Ubuntu Linux-based OS that aims to end user.

    NebiOS is Ubuntu-based secure, privacy-focused universal OS for daily life, creativity, gaming & more. Official mirror - use if main site has download issues. Main site: https://nebios.org ⚠️ DON'T DOWNLOAD FROM UNKNOWN SOURCES! 🛡️ Privacy: NebiOS has no telemetry, no background data services, no tracking daemons, and cannot send any personal data without user action. Full policy: nebisoftware.com/legal/privacy.html === 🚀 NebiOS X out now! ⚠️ Note on Virtual Machines:...
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    Downloads: 32 This Week
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  • 25
    BerserkArch

    BerserkArch

    A bleeding-edge, security-centric Arch-based Linux distribution.

    BerserkArch is a security-focused, performance-tuned Linux operating system (OS) based on Arch Linux, designed for developers, hackers, and technical users. A bleeding-edge, security-centric Arch-based Linux distribution crafted for hackers, developers, and nerds alike. Following the Arch Linux philosophy, it is designed to be highly customizable, allowing users to build their environment with only the components they need, rather than having a lot of pre-installed software like some other...
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    Downloads: 31 This Week
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