KolibriOS fits on a single floppy disk, updated as recently as a few months ago. Despite its old-school appearance, it features a full GUI and internet connectivity. If interested, download the ...

Explore SerenityOS, an open-source UNIX-like OS with a 90s aesthetic, custom core, and focus on productivity. Learn about its ...

While most operating systems are written in C and C++, KolibriOS is written in pure x86 assembly and as a result small and lightweight enough to run off a standard 1.44 MB floppy disk, as demonstra… ...

Even in 2025 there are still many applications for a simple Disk Operating System (DOS), whether this includes running legacy software (including MS-DOS games & Windows 3.x), or (embedded) syst… ...

As highlighted by Tiny11 developer NTDEV, who took the OS for a ride in the aforementioned SIMH emulator, 86-DOS 0.1-C is a very bare-bones operating system even by 1980s standards.

Windows continues to be the most widely used operating system in the world, powering over a billion devices from personal ...