
Description: Lightmeter is an open-source, cross-platform light and color meter. It can measure the color temperature, illuminance, luminance, and chromaticity of ambient light. Useful for photographers, videographers, designers, and anyone who needs accurate light measurements.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: mailcow: dockerized is an open source email server that runs on Docker. It bundles common email components like Postfix, Dovecot, SOGo, Rainloop, PostfixAdmin, and more into easy-to-use containers.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API