An operating system written in Common Lisp. Contribute to froggey/Mezzano development by creating an account on GitHub.

EndeavourOS is described as 'Arch-based distro that provides an Arch experience without the hassle of installing it manually for both x86_64 and ARM systems. After installation, you’re provided with a lightweight and almost barebones environment ready to be explored with your terminal' and is a popular Linux Distro in the os & utilities category. There are more than 100 alternatives to EndeavourOS for a variety of platforms, including Linux, Self-Hosted, BSD, Mac and Windows apps. The best EndeavourOS alternative is Linux Mint, which is both free and Open Source. Other great apps like EndeavourOS are Ubuntu, Debian, Fedora and Arch Linux.
An operating system written in Common Lisp. Contribute to froggey/Mezzano development by creating an account on GitHub.




The Friend Unifying Platform is a powerful open source framework that will allow developers to decouple their applications from technology silos. It will empower developers to swiftly deploy on and integrate with Ethereum and other decentralised technologies in a new blockchain...

AmigaOS is the proprietary native operating system of the Amiga and AmigaOne personal computers, introduced with the launch of the first Amiga, the Amiga 1000, in 1985.






ToaruOS is a completely-from-scratch hobby operating system: bootloader, kernel, drivers, C library, and user space including a composited graphical UI, dynamic linker, syntax-highlighting text editor, network stack, etc.

ExectOS aims to be a stable and flexible, general purpose operating system written from scratch. It is designed to be modular, maintainable and compatible with existing software. It implements a brand new XT architecture and features own native application interface.
RetroBSD is a port of 2.11BSD Unix intended for embedded systems with fixed memory mapping. The current target is Microchip PIC32 microcontroller with 128 kbytes of RAM and 512 kbytes of Flash.
Visopsys (VISual OPerating SYStem) is an alternative operating system for PC-compatible computers, written “from scratch”, and developed primarily by a single hobbyist programmer since 1997.




miniBSD is a project to develop a set of scripts that shrinks a running FreeBSD system to a small sized miniBSD distribution suited for small media like USB pens and CF cards.

The Zeal Operating System is a modernized, professional fork of the 64-bit Temple Operating System. Guiding principles of development include transparency, full user control, and adherence to public-domain/open-source implementations.



A new OS/2-based operating system from Arca Noae, codenamed Blue Lion, arrived today, May 15, 2017, after nearly two years in development.
