Mosaic Window Manager is described as 'A window manager for macOS like you have never seen before' and is an app in the OS & Utilities category. There are more than 50 alternatives to Mosaic Window Manager 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 Mosaic Window Manager are WindowGrid (Free), Rectangle (Free, Open Source), BetterTouchTool (Paid) and altdrag (Free, Open Source).
Have you ever wasted time repositioning application windows so you can see two windows simultaneously? DoublePane effortlessly repositions application windows to maximize your screen space for easy side-by-side viewing.