
Description: flwm is a lightweight and customizable window manager for X. It features fully customizable keybindings, multi-monitor support, compositing effects, and more. flwm aims to be fast, lightweight, and extensible.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

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: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API