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:
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.
AquaSnap - Too many windows on your screen? Stop wasting your productivity.
Actual Multiple Monitors - Actual Multiple Monitors is a software utility which offers the comprehensive solution to improve the functionality of Windows user interface for comfortable and effective work with multi-monitor configurations.