Compare software

Openbox vs FVWM3: catalog facts
Openbox	FVWM3
Best for: Manage X11 windows with a configurable stacking window manager	Best for: X11 users who want a lightweight window manager they can shape completely
Free Free and open source. Hosting, hardware and any external services are separate.	Free Free, with source code published on GitHub.
Linux	Linux
Supports custom menus and window rules Can be used alone or within another desktop setup	Extremely configurable behaviour and appearance Multi-monitor support through RandR All 4 strengths for FVWM3 Extremely configurable behaviour and appearance Multi-monitor support through RandR Lightweight, with a long history and active development Includes a default configuration to start from
A complete desktop requires separate panels, launchers and other utilities.	X11 only, no Wayland support Configuration has a steep learning curve
Downloadable app	Downloadable app
Open source	Open source
License not stated	License not stated
Not stated if an account is needed	No account needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for Openbox openbox.org Catalog checked September 22, 2026	Official website Full listing and sources Sources for FVWM3 github.com/fvwmorg/fvwm3 Catalog checked September 24, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.