yabai started as a C99 rewrite of chunkwm, originally supposed to be its first RC version.

ShiftIt is an application for OSX that allows you to quickly manipulate window position and size using keyboard shortcuts. It intends to become a full featured window organizer for OSX. It is a complete rewrite of the original ShiftIt by Aravindkumar Rajendiran which is not...

TaskSpace is a simple Windows application intended to group ANY applications in a single window(task space) to provide fast and easy access to multiple applications simultaneously(no Alt+Tab switching and/or searching for a program in the taskbar is required).

KWin is a window manager for the X Window System, and is in the process of becoming a Wayland compositor. It is an integral part, and the default window manager of the Plasma Workspaces, but it can also be used on its own or with other desktop environments.

GridMove - A window management tool that can quickly arrange your windows into desktop grids.

AutoSizer automatically resizes programs for you, keeping them at a specific size or keeping them maximized. One popular use is to keep Internet Explorer maximized when you go on the web. It works with most software programs, and supports maximizing to specific monitors on...

DM2 provides several Windows enhancements that may help in every-day work. One of the nicest and most popular features of DM2 is minimizing windows to floating icons® (unique feature!) freeing both task bar and tray bar space.

HyperDock adds Windows 7 like features and more to Mac OS X.

Select individual application windows & tabs just by moving the mouse on a dock item, use mouse clicks to quickly open new windows and many more."

Window Previews Ever wondered how to activate a single wind.

eXtra Buttons lets you add up to 10 additional buttons to the title bar of each window, which allow you to minimize the window to the tray, keep it on-top, send it to the background, adjust the window's transparency and more.

Plumb is designed to reduce the time spent manually moving windows on your desktop. With higher resolution and larger monitors becoming the norm it’s common to have several applications open at any given time — none of which really need 100% of the screen.

MaxTo is a small Windows program that divides your monitors into regions. When you maximize a window, it will no longer fit the entire screen, but only the region it was maximized into. Your windows are neatly organized into the grid you have defined when they are maximized.

Lightweight automation and productivity power-tool for OS X.