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KWin vs Openbox: catalog facts
KWin	Openbox
Free Free and open source as part of KDE Plasma.	Free Free and open source. Hosting, hardware and any external services are separate.
Linux	Linux
Per-application window rules Built-in tiling and scripting support	Supports custom menus and window rules Can be used alone or within another desktop setup
Closely tied to KDE Plasma and its libraries Many options can be overwhelming to configure	A complete desktop requires separate panels, launchers and other utilities.
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-or-later	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.