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SmartSystemMenu vs WindowTop: catalog facts
SmartSystemMenu	WindowTop
Free Free and open source.	Freemium Free to use, with advanced features in a paid Pro version.
Windows	Windows
Adds always-on-top, resize, align and transparency options to any window Works from the familiar title bar menu	Always-on-top pinning for any window Interactive picture-in-picture with cropping
Windows only Some applications draw custom title bars without a standard system menu	Windows only Some features require the Pro version
Downloadable app	Downloadable app
Open source	Closed source
License: MIT	License not stated
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 23, 2026

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