Platforms
- Mac
- Windows
- Linux


Haiku is described as 'Open-source operating system that specifically targets personal computing. Inspired by the BeOS, Haiku is fast, simple to use, easy to learn and yet very powerful' and is a very popular operating system in the os & utilities category. There are more than 100 alternatives to Haiku for a variety of platforms, including Linux, Self-Hosted, BSD, Windows and Mac apps. The best Haiku alternative is Linux Mint, which is both free and Open Source. Other great apps like Haiku are Ubuntu, Debian, Fedora and Arch Linux.


Arch under the hood, Hyprland on the surface, and the polish of macOS on top — one open system that feels right whether it's your first Linux or your tenth. Nothing here needs a terminal, and nothing can't be undone. Make yourself at home.




EuroLinux is an enterprise-class Linux distribution made and supported by the EuroLinux company, built directly from source code of Red Hat Enterprise Linux.




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

MODICIA O.S. is an independent Debian-based Linux distribution designed for users who want a fast, stable and elegant desktop experience. It includes advanced performance optimizations, a curated software selection and a professionally configured environment ready for work...




Darwin is the Open Source operating system from Apple that forms the basis for Mac OS X, and PureDarwin is a community project to make Darwin more usable (some people think of it as the informal successor to OpenDarwin.

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.




Frugalware Linux is an independently developed general purpose desktop Linux distribution designed for intermediate users. It follows simple Slackware -like design concepts and includes the .

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...





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.

Our goal is to create a simple and intuitive Arch Linux installer, focusing on improving the user experience. Some of Anarchy's features are:

