
Description: CF.lumen is an open-source battery saver and system manager for Android devices. It helps extend battery life by automatically adjusting brightness, switching to dark theme, closing unused apps, and applying other optimizations.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Twilight is a free open source software that adjusts your screen to reduce eye strain. It makes the color of your screen adapt to the time of day, reducing the amount of blue light emitted. This helps prevent disruption of your circadian rhythms and improves sleep.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API