Divvy is an entirely new way of managing your workspace. It allows you to quickly and efficiently "divvy up" your screen into exact portions.Discontinued
The project seems no longer developed. Last version, 1.5.2, released in August 2019, can be still downloaded and bought from the official website and from the Appstore.
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...Discontinued
This project is looking for a new maintainer. Until that transition is completed, there will likely not be further development on this project.from https://github.com/fikovnik/ShiftIt/blob/master/README.md
A lightweight utility for allowing you to quickly snap windows to a tiling grid under your existing Linux window manager. Can be triggered via keyboard shortcuts, the command line, or D-Bus calls.
A small utility which allows you to easily organize your open windows by tiling, resizing and positioning them to make the best use of your desktop real estate. It's easy to configure and supports multiple monitors.
Hummingbird is a macOS utility that allows easy moving and resizing of windows by holding modifier keys and dragging your mouse to move and resize windows.This app doesn't have any features at the moment.