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FLWM

X window manager

Wikipedia contributorsAdapted for Fathomly · View authors
1 min read
Source updated July 15, 2026
Image credit is listed at the end of this article.

The Fast Light Window Manager is an X window manager that is based on FLTK. FLWM is the default window manager for Tiny Core Linux. FLWM was influenced by WM2.

01Features

Features of the FLWM window manager include:

  • Small (amd64: 43.8 kB Package Size, 118.0 kB Installed Size, i386: 45.3 kB Package Size, 121.0 kB Installed Size)
  • Window decorations include borders and a vertical titlebar
  • sloppy focus with click to focus (no autoraise)
  • Multiple desktops
  • Desktop switching via menu or by using the keyboard
  • No support for themes. Colors are customizable via command line arguments.
Watch videos about FLWMExplainers and documentaries on YouTube (opens in a new tab)

Sources and credits

This article is adapted from the Wikipedia article “FLWM”, written by its contributors and licensed under CC BY-SA 4.0. Fathomly has changed the layout, removed citation markers, navigation and maintenance notices, and adjusted punctuation. This adapted version is shared under the same license. For references, see the original article.

Images, from Wikimedia Commons:

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Related topics

Comparison of X window managers

This article compares variety of different X window managers. For an introduction to the topic, see X Window System.

Equinox Desktop Environment

Equinox Desktop Environment is an FLTK-based desktop environment for Unix-like operating systems, following the principles of Unix-philosophy. EDE is designed to be light on system resource usage.