Openbox is described as 'highly configurable, next generation window manager with extensive standards support' and is a popular app in the OS & Utilities category. There are more than 25 alternatives to Openbox for a variety of platforms, including Linux, BSD, Mac, Windows and PC-BSD. The best alternative is i3, which is both free and Open Source. Other great apps like Openbox are awesome (Free, Open Source), Xmonad (Free, Open Source), Sway (Free, Open Source) and dwm (Free, Open Source).
A dynamic tiling Wayland compositor using wlroots, with desktop semantics inspired by xmonad. Core features include: - Automatic/dynamic tiling with your choice of layouts. - Per-output workspaces: display the workspace you want, where you want.
StumpWM is a tiling, keyboard driven X11 Window Manager written and scriptable in Common Lisp. StumpWM attempts to be customizable yet visually minimal. There are no window decorations, no icons, and no buttons.
Heavily Inspired by i3wm. Wmderland aims to simplify the core functionalities of i3wm, and bundle in the essential features required for a modern but minimal Tiling Window Manager. Written in C++ using Xlib.