Google SketchUp

A simple 3D design method

SketchUp

Easy to use 3D design and modeling

Tux Walk

Watch Tux walking around your desktop

Skins.Be Downloader

A complete collection of desktop wallpapers

BioniX Desktop Wallpaper Changer

Automatically change your desktop wallpaper

Logon Screen Rotator

Change the Windows logon screen randomly

Moon Shadow

Great theme to customize Windows XP and Vista

PaperPlane Smart Launch

Customize your Windows desktop to look like an iPad

AutoCAD

The CAD tool for professionals

Tweaks.com Logon Changer

Customize your logon screen

DesktopSnowOK

An animation with snowdrops on your desktop

SyncWall

Automate the wallpaper changing cycles

Showroom

Change your wallpaper whenever you want

Apophysis

Create your own wallpapers with fractal calculations

Wally

Change your background wallpaper as many times as you want

Mosaic Desktop

Apply Windows 8's wallpaper to your desktop

Bexplorer

Alternative to Windows file explorer

Classic Shell

Tricks and settings for the start menu and the explorer

MaxiVista

Use up to four computers to extend your desktop

CloseAll

Close open windows

Vista Sidebar

Get hold of the Vista widgets on Windows XP

TopDesk

Change quicker between windows

QuickLook

Quick view of our files by pressing the space bar

StartIsBack

Put your Windows 7 Start menu on Windows 8

RocketDock

Get you hands on the Mac OS X dock for Windows

Clover

Multi-tab function for Windows Explorer

Multibar

A useful toolbar to be placed on your desktop

Pokki

Recover the Start menu in Windows 8

DimScreen

Adjust your monitor's brightness

Actual Transparent Window

Give your windows different transparency levels

Start8

Add a start menu to your Windows 8