
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: Yabai is an open-source tiling window manager for macOS that provides advanced window management, customizations and optimizations for power users. It aims to bring the speed and workflow improvements from tiling window managers on Linux to macOS.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API