Stellarium

Interesting application that lets you see the universe on your computer

Moffsoft FreeCalc

Useful calculator similar to that of Windows

Asynx Planetarium

The Universe from your computer

SpeedCrunch

Mathematical calculations within everyone's grasp

Calculator

Carry out the fastest maths calculations

Versaverter

Easily convert measurement units

OpalCalc

Multiline calculator that integrates natural language

Khi3

Complete scientific calculator with plenty of options

ATCalc

Customizable scientific and graphic calculator

Virtual Moon Atlas

Complete and appealing virtual atlas of the Moon

Asteroid Data Hunter

Become the best asteroid hunter

Sky Charts

Hundreds of star charts in a single program

Scalextric Track Length Calculator

Measure the length of your slot tracks

Celestia

Travel around the Universe from your PC

PowerToy Calc

A much more complete version of the Windows Calculator

OpenUniverse

Discover the Universe using your computer screen as a telescope

Tweaks.com Logon Changer

Customize your logon screen

Windows 7 DreamScene Activator

Use videos as desktop wallpaper with DreamScene

Oceanis Change Background Windows 7

Change the wallpaper of Windows 7 automatically

Moon Shadow

Great theme to customize Windows XP and Vista

Apophysis

Create your own wallpapers with fractal calculations

God of War 3 Theme

God of War 3 desktop theme

DesktopSnowOK

An animation with snowdrops on your desktop

BioniX Desktop Wallpaper Changer

Automatically change your desktop wallpaper

Showroom

Change your wallpaper whenever you want

Tux Walk

Watch Tux walking around your desktop

Mosaic Desktop

Apply Windows 8's wallpaper to your desktop

Wally

Change your background wallpaper as many times as you want

PaperPlane Smart Launch

Customize your Windows desktop to look like an iPad

WebShots Desktop

Download a wide range of photos and wallpapers

SyncWall

Automate the wallpaper changing cycles