FVWM is a powerful ICCCM2 compliant multiple virtual desktop window manager for the X Window System. It was originally derived from twm.
It is designed to minimize memory consumption, provide a 3D look to window frames, and a virtual desktop.
There are 3rd party projects to provide automatic configuration and themes (FVWM-Crystal and FVWM Themes). FVWM itself provides a default configuration file generator, in which certain options can be chosen.
Key Features
- Image rendering.
- Supports any number of virtual desktops, each divided into multiple pages.
- Xft2 font support with anti-aliasing, drop shadows of any size, at any offset and at any direction, text rotation.
- Titlebars can be disabled, or rendered on any window edge.
- Animated window shading in all directions.
- Perl based module library for extending FVWM using Perl, scripting and pre-processing of configuration files.
- Full PNG Support, including alpha blending.
- Extended via scripting. Preprocessing allows dynamic configurations.
- Toolkit to build dialogs, menus and applications at runtime.
- Configurable desktop panels.
- Mouse Gestures allow to draw shapes with the mouse, and bind them to commands.
- Dynamic menus; utilities to browse the filesystem, fetch headlines from the internet from menus included.
- Session management support.
- Xinerama extension support to use more than one monitor.
- Support for XRender, and Xcursor.
- Dynamically extensible using modules.
- Side titles.
- EWMH, ICCCM-2 and GNOME Hints support.
- Internationalisation support, including multi-byte characters and bidirectional text.
- Bi-directional Asian text support.
- Extended Window Manager Hints support allows the use of docks, widgets, and such.
- Colorset used to define color, gradient, transparency, etc. in specific areas of themes, backgrounds, icons, etc.
- WindowStyle command used to segregate styles to individual elements.
- Unmanaged command used to separate any window from FVWM control.
- FocusStyle allows focus stealing.
- Window states can be used to perform functions on similar groups.
- XFT font are support.
- Module dynamic actions allow changes while running.
- Menu now uses XDG specifications.
- PNG/SVG support for icons.
- Mouse gestures and window-specific key / mouse bindings.
- Lots of new style options for themers.
- A new script to upgrade FVWM 2.4 configuration files.
Website: fvwm.org
Support: Wiki, GitHub Code Repository
Developer: FVWM Team
License: GNU General Public License v2.0

FVWM is written in C. Learn C with our recommended free books and free tutorials.
Related Software
| Stacking Window Managers | |
|---|---|
| Openbox | Standards compliant, fast, light-weight, extensible window manager |
| KWin | Window manager for the KDE Plasma Desktop |
| Mutter | Wayland display server and X11 window manager and compositor library |
| FVWM | Powerful ICCCM-compliant multiple virtual desktop window manager |
| berry | Healthy, bite-sized window manager |
| xfwm | Part of the Xfce desktop environment |
| Window Maker | NeXTSTEP-like window manager |
| JWM | Joe’s Window Manager |
| Gala | Designed by elementary for use with Pantheon |
| Fluxbox | Highly configurable and low resource |
| evilwm | Maximises screen real estate and provides good keyboard control |
| Worm | Tiny, dynamic, tag-based window manager |
| Blackbox | Similar to the NeXT interface and Window Maker |
| Enlightenment | Focuses on pushing the limits of existing technologies |
| PekWM | Originally based on the aewm++ window manager |
| Marco | MATE default window manager |
| 2bwm | Offers 2 borders, and written over the XCB library |
| cwm | OpenBSD fork of calmwn, a clean and lightweight window manager |
| IceWM | Win95-OS/2-Motif-like window manager |
| Sawfish | Extensible window manager using an Emacs Lisp-like scripting language |
| Moksha | Modern iteration of the Enlightenment window manager |
| Magpie | X11 window manager and compositor library |
| sowm | Itsy bitsy floating window manager |
| Compiz | OpenGL window and compositing manager |
Read our verdict in the software roundup.
Explore our comprehensive directory of recommended free and open source software. Our carefully curated collection spans every major software category.This directory is part of our ongoing series of informative articles for Linux enthusiasts. It features hundreds of detailed reviews, along with open source alternatives to proprietary solutions from major corporations such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. You’ll also find interesting projects to try, hardware coverage, free programming books and tutorials, and much more. Discovered a useful open source Linux program that we haven’t covered yet? Let us know by completing this form. |

