
Description: StumpWM is a tiling window manager for Linux and BSD operating systems. It organizes application windows into a tiling layout on the screen and enables keyboard shortcuts to easily manage windows. StumpWM is designed to be lightweight, customizable, and keyboard-driven.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: Openbox is a highly configurable, next generation window manager with extensive standards support. It is very fast, extensible and licensed under the GNU General Public License.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API