
Description: Windows Night Light is a built-in Windows 10 feature that tints your screen amber to reduce eye strain when using your device at night. It warms up the colors automatically at sunset and reverses at sunrise.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Twilight is a blue light filter app for Android that reduces eye strain by adjusting your screen's color temperature. It warms up the colors at night to match indoor lighting.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API