antiX is a Linux distribution, originally based on MEPIS, which itself is based on the Debian Stable distribution. antiX initially replaced the MEPIS KDE desktop environment with the Fluxbox and IceWM window managers, making it suitable for older, less powerful x86-based systems. Unlike Debian, antiX does not use the systemd init system; instead, it provides an ISO image in which Runit is set as the default init system. The declared goal of the developers is to significantly extend the useful life of existing old & new computers by specifically selecting efficient software and operating system components.