SizeUp is described as 'allows you to quickly position a window to fill exactly half the screen (splitscreen), a quarter of the screen (quadrant), full screen, or centered via the menu bar or' and is an app in the OS & Utilities category. There are more than 50 alternatives to SizeUp for a variety of platforms, including Mac, Windows, Linux, Android and PortableApps.com. The best alternative is AquaSnap, which is free. Other great apps like SizeUp are WindowGrid (Free), Rectangle (Free, Open Source), BetterTouchTool (Paid) and Shiftit (Free, Open Source).
- WindowGrid is a modern window management program that allows the user to quickly and easily layout their windows on a dynamic grid. View 58 alternatives to WindowGrid
No updates since 2016, bug reports on maintainers' BitBucket page go unresponded to. https://bitbucket.org/joshua_wilding/windowgrid-binaries/issues?status=new&status=open
- Free • Proprietary
- BetterTouchTool is a great, feature packed app that allows you to customize various input devices on your Mac. View 62 alternatives to BetterTouchToolNo screenshots yet
- Paid • Proprietary
BetterTouchTool vs SizeUpBetterTouchTool is the best alternative to SizeUp for me because I only wanted to use SizeUp for keyboard shortcuts to move windows between desktops. SizeUp it looking to be pretty dated, and requires you to release all modifier keys in order to initiate the move to a different desktop. BetterTouchTool is a behemoth app that does 100x more than what SizeUp does, but that works for me.It has nothing to do with automatic window resizing and positioning
- ShiftIt is an application for OSX that allows you to quickly manipulate window position and size using keyboard shortcuts. View 65 alternatives to Shiftit
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
- Free • Open Source
- Divvy is an entirely new way of managing your workspace. It allows you to quickly and efficiently "divvy up" your screen into exact portions. View 77 alternatives to Divvy
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.
- Paid • Proprietary