reSizer!

Using Spectacle you can view multiple documents side-by-side, move windows to other displays, or even focus your full attention to a single task.

Aquasnap is a powerful window manager that helps you arrange and organize multiple applications on your desktop with minimum effort. It allows you to achieve maximum multitasking, especially if you own a high-resolution monitor or a multi-monitor setup.

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. It also allows you to configure actions for keyboard shortcuts, normal mice buttons and the Apple Remote. In addition to this it has an iOS companion App (BTT Remote) which can also be configured to control your Mac the way you want.

WinSplit Revolution is a small utility which allows you to easily organize your open windows by tiling, resizing and positioning them to make the best use of your desktop real estate.

ShiftIt is an application for OSX that allows you to quickly manipulate window position and size using keyboard shortcuts. It intends to become a full featured window organizer for OSX. It is a complete rewrite of the original ShiftIt by Aravindkumar Rajendiran which is not longer under development.

AutoSizer automatically resizes programs for you, keeping them at a specific size or keeping them maximized. One popular use is to keep Internet Explorer maximized when you go on the web. It works with most software programs, and supports maximizing to specific monitors on multi-monitor computers. Use the handy Always On Top system tray menu to quickly position specific programs above all others. Thanks to Michael A., Brian E., Juliet, Barbara M., John W., Malcolm H. and everyone else who gave ideas and helped improve the program. »

Allows almost any program to be minimized to the system tray by right clicking its minimize button.

Preme is a free software for Windows which lets you add cool desktop features and enhances the desktop functionality.

AltDrag allows you to move and resize windows much easier. When you have it running you can simply hold down the Alt key and then use your mouse to drag any window, and it doesn't matter where in the window you click. This is especially useful in netbooks, with respect to the small screen and touchpad. It simply allows you to do more with less mouse movements.

MaxTo is a small Windows program that divides your monitors into regions. When you maximize a window, it will no longer fit the entire screen, but only the region it was maximized into. Your windows are neatly organized into the grid you have defined when they are maximized. MaxTo has been described as a tiling window manager.

GridMove - A window management tool that can quickly arrange your windows into desktop grids.GridMove is a program that aims at making windows management easier. It helps you with this task by defining a visual grid on your desktop, to which you can easily snap windows. This program comes bundled with some predefined grid templates, that can be easily swaped, but also has ways of creating custom grids or sharing grids made by others.

TaskSpace is a simple Windows application intended to group ANY applications in a single window(task space) to provide fast and easy access to multiple applications simultaneously(no Alt+Tab switching and/or searching for a program in the taskbar is required).