
Description: Directory Opus is a popular and powerful file manager for Windows. It offers advanced customization options, dual pane browsing, file searching and previewing, and integration with many other programs.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Marlin is an open source firmware for 3D printers based on RepRap technology. It focuses on performance, stability, and configurability for a variety of printers and print materials.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API