
Description: i3 is a tiling window manager for Linux and other Unix-like operating systems. It is designed to be simple, fast, and lightweight while still being customizable and flexible. i3 organizes application windows in a tree-like structure and allows efficient window switching and placement.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: PaperWM is a workspace & window management tool for macOS that gives enhanced window controls and productivity features like automatic tiling and arrangement. It's designed to help users organize their desktop and applications more efficiently.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API