
Description: appleseed is an open-source, physically-based global illumination rendering engine designed for producing high-quality CGI animations and visual effects. It uses Monte Carlo ray tracing techniques to simulate light transport realistically and accurately.
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