Preme for Windows - Speeds up your window switching.
DisplayFusion - DisplayFusion will make your multi-monitor life much easier.
GridMove - GridMove - A window management tool that can quickly arrange your windows into desktop grids.
WinDock - WinDock is a window manager ideal for large, or multi-monitor setups. Features:
BetterTouchTool - Nov 5, 2017 - BetterTouchTool is a great, feature packed app that allows you to configure many gestures for your Magic Mouse (1 & 2), Macbook Trackpad and Magic Trackpad (1 & 2) and also Mouse Gestures for normal mice.
Ultramon - UltraMon is a piece of software built to help with the management of multiple screens on the same computer system. Without software like this, taking full advantage of an expanded desktop space can be difficult.