Overview
KaOS is a desktop Linux distribution that features the latest version of the KDE desktop environment, the LibreOffice office suite, and other popular software applications that use the Qt toolkit.
History
The first version of KaOS was released as "KdeOS" in 2013. To prevent confusion between the distribution's name and the desktop environment KDE, the name was changed to "KaOS" in September 2013.
Features
KaOS is distributed via an ISO image, and exclusively supports 64-bit x86 processors.
KaOS is a desktop rolling release, built from scratch with a very specific focus. The focus on one desktop environment (KDE Plasma 5), one toolkit (Qt), one architecture (x86 64), with an emphasis on evaluating and selecting the most suitable tools and applications.
From Wikipedia (CC BY-SA 4.0).