VistaSwitcher!

HyperSwitch provides a compelling alternative to HyperDock for keyboard junkies.What's NewVersion 0.2.365-dev:

Contexts is built for speed. The interface always responds instantly so you can always remain in flow.Applications without windows are also listed. Because you should never have to think about whether an app has an open window or not.

What is Switcheroo?

Command-Tab Plus Is a Powerful and Customizable macOS App’s and Windows SwitcherCommand-Tab Plus is designed to help you switch between apps and windows in a faster and more convenient way. A great alternative for Mac App’s switcher.

TaskSwitchXP is an advanced task management utility that picks up where the standard Windows Alt+Tab switcher leaves off. It provides the same functionality, and adds visual styles to the dialog and also enhances it by displaying thumbnail preview of the application that will be switched to.

Alternative application for Windows' native task switcher (Alt + Tab).

ThumbWin can minimize the window on your desktop as thumbnails.

Have you seen the cool and nice effects of Windows Aero in Windows Vista? One of those effects is a view of your open windows in a three-dimensional stack on your desktop, and using hot keys, you can flip through the open windows to quickly locate and select the window you want. But wait a minute, don't you have Windows Vista? No problem, with Shock Aero 3D you can enjoy the same three-dimensional effect running on Windows XP desktop.

SmartTab, the better Alt-Tab (a Windows Alt-Tab Dialog replacement).

WinFlip emulates Windows Vistas "Flip 3D" effect for Windows XP. Using the hotkey of your choice, you can find the window youre looking for in a fast, clean 3D interface.

The ultimate desktop organizer. DeskPose NXT helps you to find your applications fast, organize your desktop and become more productive.

Manico is a fast application switcher for Mac that lets you access apps by simply holding the Option key and pressing the target number.

SuperSwitcher is a (more feature-ful) replacement for the Alt-Tab window switching behavior and Ctrl-Alt-Left/Right/Up/Down workspace switching behavior that is currently provided by Metacity.

If you are not familiar with the Alt-Tab task switcher in Windows, its a keyboard short-cut (hot-key) to enable fast switching between applications/windows. This feature has been in Windows since Windows 3.0 and is largely unchanged since Windows 95! Alt-Tab Thingy is a replacement to add brand new features to help you switch tasks faster and more efficiently than ever before!