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Edit (2023-07-09): Alright, I managed to find the version number of the Windows installation from the disc using a command prompt and apparently it's version...

Get ready for macOS Sonoma.

The Faster, more Secure Operating System.

A scrollable-tiling Wayland compositor.

Kaspersky’s Cyber Immune operating system and solutions based on it for industry, smart cities, VDI, transport and other markets

This is a list of real-time operating systems (RTOSs). This is an operating system in which the time taken to process an input stimulus is less than the time lapsed until the next input stimulus of the same type.

Cesium RTOS is a full-featured embedded operating system that was originally forked from Micrium µC/OS. The codebase is strictly developed and maintained by Weston Embedded Solutions. It features support for TCP/IP, USB-Device, USB-Host, and Modbus, as well as a robust file system.

Micrium OS includes an RTOS kernel, communication stacks, a file system, and graphical user interface that have been relied upon by engineers around the world looking for safe, reliable, and secure operation.

Discover PX5. Professional embedded software developers choose PX5 RTOS, Bill Lamie’s 5th generation RTOS, successor to ThreadX.

Eclipse ThreadX: The First Open Source RTOS Certified for Safety-Critical Applications

The ultimate developer workstation

Window management made elegant. Contribute to MrKai77/Loop development by creating an account on GitHub.

Download android-x86 for free. A project to bring Android to the x86 platform. This is a project to port Android open source project to x86 platform, formerly known as "patch hosting for android x86 support". http://www.android-x86.org/

SELKS by Stamus Networks is a free, open-source, and turn-key Suricata network intrusion detection/protection system (IDS/IPS), network security monitoring (NSM) and threat hunting implementation created and maintained by Stamus Networks. Released under GPLv3 license, the live distribution is available as either a live and installable Debian-based ISO or via Docker compose on any Linux operating system.

ReviOS aspires to re-create what Windows as an operating system should have been - easy and simple. With the main audience being gamers, power-users and enthusiasts, we understand that performance, speed and low latency is obligatory, which is why great effort has been invested into making ReviOS a capable, efficient yet private operating system. Being naturally light on resources, footprint and size it also comes in as a great fit for low-end systems

All the functionalities of a modern Next-Gen firewall in few clicks: MultiWAN, Deep Packet Inspection, VPNs, Threat Protection.

Download Red Ribbon GNU/Linux for PS3 for free. Red Ribbon GNU/Linux for PS3 is a new PPC64 GNU/Linux distribution with support for Cell/BE. It is based on Debian, completely free and open source software.

Monarch is a Spotlight Search alternative designed for beginners and professionals with a world class user experience

Official Website Downloads and much more...

The Tiling Window Manager for Windows

Bazzite is a custom image built upon Fedora Atomic Desktops that brings the best of Linux gaming to all of your devices - including your favorite handheld.

A simple easy-to-use launcher for the ParallelN64 and Mupen64Plus-Next emulators.

GlazeWM is a tiling window manager for Windows inspired by i3 and Polybar. - glzr-io/glazewm

Un hombre se ha embarcado en un largo viaje por el mundo indómito de las interfaces gráficas para Unix, y cuenta aquí sus experiencias. Fluxbox, Dwm, Window Maker, el venerable Twm... Todos con su artículo y sus capturas de pantalla.