Top Alternatives to altdrag

AutoHotkey is a free, open-source custom scripting language for Microsoft Windows.

BetterTouchTool is an 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.

ShiftIt is an application for OSX that allows you to quickly manipulate window position and size using keyboard shortcuts.

Divvy an app to manage your workspace. It allows you to quickly and efficiently “divvy up” your screen into exact portions.

AquaSnap is a powerful window manager that helps you arrange and organize multiple applications on your desktop with minimum effort.

Preme for Windows speeds up your window switching.

KatMouse changes the behavior of the mouse in Windows to greatly expand the usefulness of the scrollwheel.

Cinch gives you simple, mouse-driven window management by defining the left, right, and top edges of your screen as 'hot zones'.

BetterSnapTool allows you to easily manage your window positions and sizes by either dragging them to one of the screen's corners.

HyperDock for Mac lets you take a quick look at the windows you have open in each program when you hover over icons in the Dock.

Moom allows you to easily move and zoom windows.

SizeUp allows you to quickly resize and position your windows with keyboard shortcuts or a handy menu bar icon.