GridMove - GridMove - A window management tool that can quickly arrange your windows into desktop grids.
Epic Pen - A windows tool for drawing over your desktop and applications
WinDock - WinDock is a window manager ideal for large, or multi-monitor setups. Features:
gInk - An on-screen on-screen annotation software for Windows.
QuickTile - A lightweight utility for allowing you to quickly snap windows to a tiling grid under your existing...
Gromit-MPX - Create annotations by directly drawing on your screen.