antiX is a Linux distribution based on MEPIS

MEPIS

MEPIS is a set of Linux distributions, distributed as Live CDs that can be installed onto a hard disk drive.MEPIS is developed and maintained by an active community begun by Warren Woodford and the eponymous company MEPIS LLC....

 which itself is based on the Debian

Debian

Debian is a computer operating system composed of software packages released as free and open source software primarily under the GNU General Public License along with other free software licenses. Debian GNU/Linux, which includes the GNU OS tools and Linux kernel, is a popular and influential...

 testing distribution. It replaces the Mepis KDE

KDE

KDE is an international free software community producing an integrated set of cross-platform applications designed to run on Linux, FreeBSD, Microsoft Windows, Solaris and Mac OS X systems...

 desktop environment with the Fluxbox

Fluxbox

Fluxbox is a stacking window manager for the X Window System, which started as a fork of Blackbox 0.61.1, with the same aim to be lightweight. Its user interface has only a taskbar, a pop-up menu accessible by right-clicking on the desktop, and minimal support for graphical icons...

 and IceWM

IceWM

IceWM is a stacking window manager for the X Window System graphical infrastructure, written by Marko Maček. It was coded from scratch in C++ and is released under the terms of the GNU Lesser General Public License...

window managers, making it suitable for older, less powerful x86 based systems. Available in 2 editions; Full which installs a full range of applications, and Base which allows the user to choose their own application suite. Version 8.2 was released on 24 July 2009, and version 8.5 on 12 April 2010. The latest version of antiX is version M11. antiX-M11 was released on May 3, 2011.