Lubuntu is described as 'Fast and lightweight operating system with a clean and easy-to-use user interface. It is a Linux system, that uses the minimal desktop LXDE/LXQT' and is a very popular Linux Distro in the os & utilities category. There are more than 100 alternatives to Lubuntu for a variety of platforms, including Linux, Self-Hosted, Windows, Mac and Raspberry Pi apps. The best Lubuntu alternative is Linux Mint, which is both free and Open Source. Other great apps like Lubuntu are Ubuntu, Fedora, Zorin OS and Manjaro Linux.
ReactOS™ is a FOSS effort to develop a quality operating system based on the architecture of Microsoft® Windows™ NT family of operating systems, that is compatible with applications and drivers written for it (NT4, 2000, XP, 2003, Vista, 7).
Raspberry Pi OS (previously called Raspbian) is the Foundation’s official supported operating system. You can install it with NOOBS or download the image below and follow our installation guide.
The Nobara Project, to put it simply, is a modified version of Fedora Linux with user-friendly fixes added to it. Fedora is a very good workstation OS, however, anything involving any kind of 3rd party or proprietary packages is usually...
Experience the latest Windows OS with a new Start menu, integrated Teams, and gaming technologies like Auto HDR. Improved security with stricter requirements enhances protection, and seamless Microsoft Account integration makes it ideal for modern devices.
CentOS is a community-supported, free and open source operating system based on Red Hat Enterprise Linux. It exists to provide a free enterprise class computing platform and strives to maintain 100% binary compatibility with its upstream distribution.
Puppy Linux is a unique family of Linux distributions meant for the home-user computers. It was originally created by Barry Kauler in 2003.
not reliable for day-to-day work
Alpine Linux is a security-oriented, lightweight Linux distribution based on musl libc and busybox.
Ubuntu Mate is a stable, easy-to-use operating system with a configurable desktop environment. Ideal for those who want the most out of their desktops, laptops and netbooks and prefer a traditional desktop metaphor.
MX Linux is an operating system - a cooperative venture between the antiX and former MEPIS communities. It is a midweight OS that combines an elegant and efficient desktop with simple configuration, high stability and solid performance.
Solus Operating System is a Linux distribution built from scratch, exclusively for desktop systems. There is no scope-creep associated with generic platforms, and the project aims to provide a modern and focused desktop-centric solution, that is designed to keep out of the way...
Google Chrome OS is a Linux-based operating system designed by Google that uses the Google Chrome web browser as its principal user interface, so it works primarily with web applications.
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Not completely finished, although not sure about how lightweight it is. Maybe someday it might be a good alternative.