IBM z/OS is an operating system for IBM zSystems mainframes, suitable for continuous, high-volume operation with high security and stability.

Download 4MLinux for free. Mini Linux Distribution. 4MLinux is a miniature Linux distribution focusing on four capabilities: maintenance (by using it as a system rescue live CD), multimedia (for example, for playing video DVDs), miniserver (using the inetd daemon), and mystery (meaning small Linux games).

Download PakOS for free. A resonably secure operating system from Pakistan. Now in Strategic Collaboration with Innotech http://Inotechsoln.com An open source Linux Distro that is based on Debian 11, and was made possible with the great support from eznix (https://sourceforge.net/projects/eznixos/ ). Made for ease of use and reasonably secure with minimum resource utilization for office, home, internet and off-line use PakOS on Debian Derivatives List (https://wiki.debian.org/Derivatives/Census/PakOS) PakOS accepted on DistroWatch as Only Pakistani Linux OS https://distrowatch.com/table.php?distribution=pakos&pkglist=true&version=2020-08-24 Please contact me on gsm.pakos@gmail.com for tips, tricks, advice and suggestions or join my Discord server at https://discord.gg/DvBGxAW2D4 to learn together.

Linux Mint is an elegant, easy to use, up to date and comfortable desktop operating system.

A simple CLI based Operating System. Contribute to vinsdragonis/Odin development by creating an account on GitHub.

A simple bare-bones 32-bit operating system written in Assembly x86 and C for educational purposes - araujo88/primus-os: A simple bare-bones 32-bit operating system written in Assembly x86 and C fo...

A TempleOS distro for heretics. Contribute to minexew/Shrine development by creating an account on GitHub.

Talk to God on up to 64 cores. Final snapshot of the Third Temple. - cia-foundation/TempleOS: Talk to God on up to 64 cores. Final snapshot of the Third Temple.

DiskStation Manager (DSM) is an intuitive web-based operating system for every Synology NAS, designed to help you manage your digital assets across home and office.

Free Oparaing System for home and office use

Devuan gnu/linux live cd project from Exmouth Devon

Linux Gurus OS is a source-based distribution with focus on security and QA.

Parch Linux is an open-source, Arch-based Linux distribution, that tried to be pretty, easy to use, light, fast and stable.

Introducing Umbrel Home - a personal home server that gives you the convenience of the cloud, without having to give up your data.

What is OpenVMS? OpenVMS (VMS) is a server OS sold by VMS Software, Inc. (VSI). This operating system runs on VAX, Alpha, Integrity, and soon x86 systems.

Experience unparalleled speed and efficiency with Liya, a cutting-edge Linux distribution that combines the power of Arch Linux's rolling release with the elegance of the Cinnamon desktop environment. Designed for users who demand a lightning-fast computing experience, Liya optimizes system resources to deliver rapid boot times, instantaneous application launches, and smooth multitasking.

Contribute to MSM757/Titan_Linux development by creating an account on GitHub.

Windows Ubuntu Operating System

PikaOS is a gaming focused linux distribution focussing on ease of use and high compatability. Using the know how from Nobara combined with a Ubuntu base, PikaOS is almost unrivaled in software compatability.