Apps similar to TSS EcoScreen include Twinkle Tray, which is free and open source. Other options are Monitorian, Dimmer, PangoBright and iBrightness Tray. In total there are seven Screen Dimmers like TSS EcoScreen for Windows.
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.
United States
Monitorian is a Windows desktop tool to adjust the brightness of multiple monitors with ease.
Japan
Portugal
EU
Screen dimming software that allows you to control the brightness of your screens as well as external monitors.
United States
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...
Free, open-source display control for Windows 11: one brightness slider for every monitor (DDC/CI and laptop panels), night light, focus mode, keep awake, per-monitor taskbar hiding and glass, OLED care, your monitor's own settings, hotkeys and a CLI.
India
LiteBright is a lightweight native brightness controller for Windows 10 and 11. It lets you control brightness across multiple monitors from the system tray, adjust displays independently or together, and use global keyboard shortcuts for quick changes.
