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Brightness.Manager.OK vs Win10_BrightnessSlider: catalog facts
Brightness.Manager.OK	Win10_BrightnessSlider

Best for: Windows users who need direct brightness and color controls	Best for: Laptop users on Windows who change screen brightness often
Free Freeware with no restrictions identified.	Free Free to use.
Windows	Windows
Adjusts brightness and RGB levels Can restore chosen values at startup Portable version is available	One-click brightness control from the tray Small and focused on a single task Still receiving commits in 2026
Windows only	Windows only External monitors may need DDC/CI enabled License is not a standard open-source license
Downloadable app	Downloadable app
Not open source	Not open source
License not stated	License: Freeware
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 Brightness.Manager.OK softwareok.com Catalog checked October 8, 2026	Official website Full listing and sources Sources for Win10_BrightnessSlider github.com/blackholeearth/Win10_BrightnessSlider Catalog checked October 2, 2026

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