Windows 11 is described as 'provides a calm and creative space where you can pursue your passions through a fresh experience' and is an app in the OS & Utilities category. There are more than 100 alternatives to Windows 11 for a variety of platforms, including Linux, Self-Hosted solutions, BSD, Windows and Mac. The best alternative is Ubuntu, which is both free and Open Source. Other great apps like Windows 11 are Debian (Free, Open Source), Linux Mint (Free, Open Source), Manjaro Linux (Free, Open Source) and Arch Linux (Free, Open Source).
illumos is a free and open-source Unix operating system. It derives from OpenSolaris, which in turn derives from SVR4 UNIX and Berkeley Software Distribution (BSD). illumos comprises a kernel, device drivers, system libraries, and utility software for system administration.
Pardus is a GNU/Linux distribution funded and developed by the Scientific & Technological Research Council of Turkey. Pardus’ main focus is home use and office-related work with a user-friendly graphical interface usind Deepin De, Gnome or Xfce environments.
Rocky Linux is a community enterprise operating system designed to be 100% bug-for-bug compatible with America's top enterprise Linux distribution now that its downstream partner has shifted direction. It is under intensive development by the community.