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KWin vs Xfwm4: catalog facts
KWin	Xfwm4
Free Free and open source as part of KDE Plasma.	Free Free and open source as part of the Xfce desktop.
Linux	Linux
Per-application window rules Built-in tiling and scripting support	Light on resources Built-in compositor that can be tuned or turned off
Closely tied to KDE Plasma and its libraries Many options can be overwhelming to configure	Designed for X11 sessions No tiling layouts beyond basic edge snapping
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0-or-later	License: GPL-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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