Calculator

Carry out the fastest maths calculations

OpenUniverse

Discover the Universe using your computer screen as a telescope

StarStaX

Create spectacular composite photos

SpeedCrunch

Mathematical calculations within everyone's grasp

Sky Charts

Hundreds of star charts in a single program

Versaverter

Easily convert measurement units

Asynx Planetarium

The Universe from your computer

Virtual Moon Atlas

Complete and appealing virtual atlas of the Moon

Startrails

Obtain photos of the trail left behind by the stars

Asteroid Data Hunter

Become the best asteroid hunter

Moffsoft FreeCalc

Useful calculator similar to that of Windows

WinStars

Put a planetarium on your PC's desktop

Stellarium

Interesting application that lets you see the universe on your computer

Khi3

Complete scientific calculator with plenty of options

Celestia

Travel around the Universe from your PC

PowerToy Calc

A much more complete version of the Windows Calculator

Packetyzer

Packet capturer based on the Ethereal project

Real Hide IP

Hide you IP address from prying eyes

Hide IP

Maintaining your privacy is very simple with this program

NetGhost

Define your IP for each WLAN that you connect to

Advanced IP Scanner

Analyze the computers connected to your local network

NMapWin

Assess your network security by scanning ports

Angry IP Scanner

Scan both IPs and port ranges

Easy Hide IP

Hide your IP address and your geographic location

NetworkMiner

Analyze passively the packets of your local network

IPConfig

A graphical interface for the command of the same name

DynSite

Automatically updates your dynamic IP, very useful for dynamic Internet connections

Find MAC Address

A simple way to find out MAC addresses

No-IP

Assign a name to your IP address