Twinkle Tray enables brightness control on external displays in Windows 10 & 11. Even th Windows is capable of adjusting the backlight on most monitors, it doesn't support external monitors natively.
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TSS EcoScreen Alternatives
TSS EcoScreen is described as 'Adaptive per-monitor brightness manager for Windows that automatically dims inactive displays, with two-stage dimming, burn-in protection, break reminders, and energy usage statistics' and is an app in the system & hardware category. There are five alternatives to TSS EcoScreen for Windows. The best TSS EcoScreen alternative is Twinkle Tray, which is both free and Open Source. Other great apps like TSS EcoScreen are Dimmer, Monitorian, PangoBright and iBrightness Tray.
Alternatives list
29 Twinkle Tray alternatives
24 Monitorian alternativesMonitorian is a Windows desktop tool to adjust the brightness of multiple monitors with ease.
55 PangoBright alternativesScreen dimming software that allows you to control the brightness of your screens as well as external monitors.
iBrightness Tray is a little bit of a swiss army knife display tool as adjusting the brightness of your screen is just one of three main functions it has. The other two are turning on your screensaver at the click of a button and also the ability to turn off the display...
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