KolibriOS!

Arch Linux is an independently developed, i686- and x86_64-optimised Linux distribution targeted at competent Linux users. It uses pacman, its home-grown package manager, to provide updates to the latest software applications with full dependency tracking. Operating on a rolling release system, Arch can be installed from a CD image or via an FTP server. The default install provides a solid base that enables users to create a custom installation. In addition, the Arch Build System (ABS) provides a way to easily build new packages, modify the configuration of stock packages, and share these packages with other users via the Arch Linux user repository. »

Xubuntu is an elegant and easy-to-use operating system. Xubuntu comes with Xfce, which is a stable, light and configurable desktop environment.

Lubuntu is a faster, more lightweight and energy saving variant of Ubuntu using LXDE, the lightweight X11 Desktop Environment.

Linux is a free operating system, and Puppy Linux is a special build of Linux meant to make computing easy and fast.

Antergos, as its father, Arch Linux , is a rolling release distro. It started life under the name of Cinnarch, combining the Cinnamon desktop with the Arch Linux distribution, but the project has moved on from its original goals and now offers a choice of several desktops, including GNOME 3 (default), Cinnamon, Razor-qt and Xfce. Antergos also provides its own graphical installation program. »

SliTaz GNU/Linux LiveCD operating system. "SliTaz is a free operating system, working completely in RAM and booting from removable media such as a cdrom or USB key. SliTaz is distributed as a LiveCD, and weighs less than 30MB. The system is quick and responsive, clean and robust. SliTaz is simple and intuitive, providing a lightweight, elegant desktop, detailed documentation and easy to use configuration tools."

A minimalistic Linux distribution based on Ubuntu and the Enlightenment desktop environment.

Illumos is a derivative of OS/Net (aka ON), which basically is a Solaris/ OpenSolaris kernel with the bulk of the drivers, core libraries, and basic utilities. It is dependent on OS/Net, which Illumos will follow very closely while allowing to retain changes to code which might be unacceptable to upstream OpenSolaris . Illumos is aiming at 100% ABI (Application Binary Interface) compatibility with Solaris ON, focusing just on the core foundation blocks. »

Tiny Core Linux (TCL) is a minimal Linux operating system focusing on providing a base system using BusyBox and FLTK. The lead developer of the project is Robert Shingledecker. The distribution is notable for its size under 12 Megabyte, with additional functionality provided by extensions of which there are more than 3200. Tiny Core Linux is Free open source software and is licensed under the GNU General Public License v2.

Porteus is a complete linux operating system that is optimized to run from CD, USB flash drive, hard drive, or other bootable storage media. It's small (under 300Mb) and insanely fast which allows you to start up and get online while most other operating systems are left spitting dust. Porteus comes in both 32 & 64 bit and aims to keep on the bleeding edge. It also supports several different languages and the user forum has language sections.

The Temple Operating System (TempleOS) is a free and open source, x86_64, non-preemptive, multi-tasking PC operating system.

Slax is a modern, portable, small and fast Linux operating system with a modular approach and outstanding design. SLAX is a LiveCD Linux distribution based on Slackware . Despite its small size, Slax provides a wide collection of pre-installed software for daily use, including a well organized graphical user interface and useful recovery tools for system administrators.

Pearl Linux OS has been available for free download since 12/2014 with our first release simply titled Pearl Linux. It was based on the 14.04 released version of Ubuntu. That release was using the XFCE desktop environment. Since then we now offer the MATE, GNOME, LXDE and soon to come our own DE PearlDE which will be a mix of LXDE and XFCE4 desktops. As of the latest release Pearl OS 3.0 we are now maintaining our own repository on site. Also all tho far from ready, we are working on the new website. The forum ain't pretty but it is up and running for ya all to post any questions you may have. »

Damn Small Linux is a very versatile 50MB mini desktop oriented Linux distribution.