
Description: Absolute Linux is a lightweight Linux distribution based on Slackware that focuses on ease of use, stability, and speed. It uses the IceWM window manager by default for a fast but usable desktop experience.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: KolibriOS is a tiny open-source operating system for x86 computers. It is very lightweight and can run well on old hardware. KolibriOS emphasizes simplicity, speed, and low resource usage.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API