
Description: Turn Off the Lights is a free, open-source browser extension that lets users dim everything on their screen except the video they're watching. It helps minimize distractions and focus on the video.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: G.lux is a free open source program that adjusts a computer's display to adapt to lighting conditions and time of day to reduce eye strain and improve sleep. It warms up the screen color temperature at night to reduce blue light.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API