Browse free open source Operating Systems and projects for Mac below. Use the toggles on the left to filter open source Operating Systems by OS, license, language, programming language, and project status.

  • Our Free Plans just got better! | Auth0 Icon
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    Cloud-based help desk software with ServoDesk

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  • 1
    Endian Firewall Community
    Endian Firewall Community (EFW) is a "turn-key" linux security distribution that makes your system a full featured security appliance with Unified Threat Management (UTM) functionalities. The software has been designed for the best usability: very easy to install, use and manage and still greatly flexible. The feature suite includes stateful packet inspection firewall, application-level proxies for various protocols (HTTP, FTP, POP3, SMTP) with antivirus support, virus and spam-filtering for email traffic (POP and SMTP), content filtering of Web traffic and a "hassle free" VPN solution (based on both OpenVPN and IPsec).
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    Downloads: 383 This Week
    Last Update:
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  • 2
    Soplos Linux Tyson

    Soplos Linux Tyson

    Soplos Linux is a Debian Testing-based distribution with the Plasma 6

    Soplos Linux Tyson is a GNU/Linux distribution based on Debian Testing, designed for users taking their first steps into Linux or looking for a modern, stable, and efficient daily driver. Key Features: ✅ Based on Debian Testing, offering rolling updates and always up-to-date software. ✅ Ships with the KDE Plasma 6 desktop – modern, elegant, and highly customizable. ✅ Clean and minimalist interface with no unnecessary bloatware. ✅ Compatible with modest hardware – ideal for users unable to upgrade to newer versions of Windows. ✅ A Software Center tailored for Plasma is in development, built with Qt and Python, to simplify application management. ✅ Future support planned for proprietary drivers to improve hardware compatibility. Soplos Linux Tyson aims to deliver a simple yet powerful experience without compromising flexibility, with plans to expand with dedicated repositories and more user-friendly tools. ✨ Give Soplos Linux Tyson a try and discover a new way to use your
    Downloads: 244 This Week
    Last Update:
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  • 3
    PuppyRus-A

    PuppyRus-A

    Lightweight, portable and flexible Linux based on Arch, Puppy, Porteus

    For now we support russian localization only, sorry. PuppyRus-A (PRA) - дистрибутив проекта PuppyRus.org, построенный на базе Arch Linux и использующий pacman. Продолжает традиции Puppy (маленький <200Mb, быстрый, функциональные скрипты, подключаемая среда разработки - devx), PuppyRus (модульность, pfs-util), Porteus (initrd). Модульная структура позволяет создать нужный именно Вам набор софта простым копированием модулей. Возможна загрузка всего PRA в память с flash или CD носителя. Поддерживается режим сохранения любого количества состояний в файл или директорию, "не убиваемый режим", шифрование.
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    Downloads: 51 This Week
    Last Update:
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  • 4
    OSGeoLive

    OSGeoLive

    Bootable linux distro for Geospatial Applications

    OSGeoLive is a self-contained bootable DVD, USB thumb drive or Virtual Machine based on Lubuntu that allows you to try a wide variety of open source geospatial software without installing anything. It is composed entirely of free software, allowing it to be freely distributed, duplicated and passed around. It provides pre-configured applications for a range of geospatial use cases, including storage, publishing, viewing, analysis and manipulation of data. It also contains sample datasets and documentation.
    Downloads: 68 This Week
    Last Update:
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  • Run applications fast and securely in a fully managed environment Icon
    Run applications fast and securely in a fully managed environment

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  • 5
    Partition Logic

    Partition Logic

    Disk partitioning and data management for x86-compatible systems

    Based on the Visopsys operating system, Partition Logic is a bootable disk image featuring a disk manager program that can create, delete, erase, format, defragment, resize, copy, and move partitions and modify their attributes. It can copy entire hard disks from one to another. Other tools, such as system diagnostics, are also available within the system.
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    Downloads: 30 This Week
    Last Update:
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  • 6
    Visopsys

    Visopsys

    Alternative operating system for x86 computers

    Visopsys is an alternative operating system for PC compatible computers. In development since 1997, this system is small, fast, and open source. It features a simple but functional graphical interface, pre-emptive multitasking, and virtual memory. Though it attempts to be compatible in a number of ways, Visopsys is not a clone of any other operating system. You can demo the distribution from a “live” CD/DVD or floppy disk
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    Downloads: 18 This Week
    Last Update:
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  • 7
    Pearl Linux MATE 5.2

    Pearl Linux MATE 5.2

    A user friendly, stable and super powerful modern operating system

    Updated version of Pearl MATE 5.0 with bug fixes, based on the 16.04 last release as well the added features from the Linux Mint 18.2 version NOW INCLUDING THE 4.8 SERIES KERNEL If you use Pearl MATE 5.0 you can upgrade to this release through the Pearl Update icon on panel. This release has added multiple language support including German, French and Russian languages, Updated Features on Pearl Updater, Pre-configured windows network file sharing interface supporting read/write home directory sharing, Easily configure and run your very own Apache Internet Server with with easy management through WEBMIN ( See https://localhost:10000 after installed), Added Conky with Conky Manager and many more tweaks. Install Pearl featured software ( Pearl tested and recommended software for Pearl systems ) available through the Software Manager. Seamonkey, because of it's small file size, is the default browser. Simply choose your favorite browser from software manager after install.
    Downloads: 16 This Week
    Last Update:
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  • 8
    GTCop Professional Security Appliance aims to provide a powerful tool for satellite communications, with enhanced QoS and bandwidth controls. As derived from IPCop Firewall, it is a stable, secure, easy to configure and maintain GNU/Linux firewall box.
    Downloads: 0 This Week
    Last Update:
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  • 9
    Kurisu OS 3.0

    Kurisu OS 3.0

    Kurisu OS 3.0

    Kurisu OS 3.0 es un sistema operativo basado en OpenSUSE 12.1,que trae consigo ventajas como la posibilidad de instalación y utilización de aplicaciones de varias plataformas: Windows, Linux,Mac (Mac todavía en fase experimental).Ademas es un sistema sencillo y accesible que cualquier persona sin grandes conocimientos puede usar,ya que utiliza GNOME 3 una interfaz de usuario sencilla y practica la cual se adapta no solo a tus necesidades de usuario sino que además se adapta a la edad y potencia de tu ordenador permitiendote usar 2 escritorios,uno para ordenadores actuales que reunen unas caracteristicas que le permiten utilizar un escritorio hermoso con las ultimas tecnologías de aceleración de gráficos y un escritorio para rescatar ese viejo ordenador que tenias olvidado en tu garaje,ya que el escritorio alternativo te permite usar menos recursos.
    Downloads: 0 This Week
    Last Update:
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  • For every need the right PDF solution Icon
    For every need the right PDF solution

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    PDFCreator converts every printable document to PDF and many other formats. Convert your documents to PDF, JPG, PNG, TIF and more. Merge multiple documents to one file. Use automatic saving to have a fully automated PDF printer. Profiles make frequently used settings available with one click. We take care of the complexity and make converting PDFs simple for you.
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  • 10
    MDF is microkernel operating system. Module architecture minimalistic design.
    Downloads: 0 This Week
    Last Update:
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  • 11
    Manjaro by Phoenix
    Manjaro Linux by Phoenix — ориентированная на начинающих русскоязычных и украиноязычных пользователей полнофункциональная Live модификация дистрибутива Manjaro Linux, простая в установке и первоначальной настройке (user-friendly). Особенностью модификации являться установка дополнительных программ и пакетов русского и украинского языка. Ник пользователя - manjaro Пароль - manjaro
    Downloads: 0 This Week
    Last Update:
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  • 12
    Connector to Primavera P6 Project Manager database. Analog Primavera API.
    Downloads: 0 This Week
    Last Update:
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  • 13
    XSystem Kernel Project - an object-oriented 32-bit protected-mode operating system for IA32-architecture.
    Downloads: 0 This Week
    Last Update:
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  • 14

    HellGate

    HellGate™

    HellGate™ is commercial Linux-based system for routers. It's absolutely FREE to try. Also it can be used for FREE with some restrictions.
    Downloads: 8 This Week
    Last Update:
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