Versaverter

Easily convert measurement units

Moffsoft FreeCalc

Useful calculator similar to that of Windows

Calculator

Carry out the fastest maths calculations

Stellarium

Interesting application that lets you see the universe on your computer

PowerToy Calc

A much more complete version of the Windows Calculator

Virtual Moon Atlas

Complete and appealing virtual atlas of the Moon

Sky Charts

Hundreds of star charts in a single program

Celestia

Travel around the Universe from your PC

Asteroid Data Hunter

Become the best asteroid hunter

Khi3

Complete scientific calculator with plenty of options

Asynx Planetarium

The Universe from your computer

ATCalc

Customizable scientific and graphic calculator

SpeedCrunch

Mathematical calculations within everyone's grasp

Startrails

Obtain photos of the trail left behind by the stars

WinStars

Put a planetarium on your PC's desktop

OpenUniverse

Discover the Universe using your computer screen as a telescope

KMPlayer

Complete and modern multimedia player free of charge

Wiseplay

The multimedia player with IPTV functions

VLC Media Player

The most stable and versatile multimedia player

Vocaloid

Excellent voice synthesizer

Media Player Classic

Lightweight and complete clone of Microsoft's player

VUPlayer

Simple audio player with plenty of options

Winamp

The best and most popular MP3 player for PC

ACE Stream

Multimedia player based on VLC and compatible with BitTorrent

Windows Media Player 11

Microsoft's media player for Windows XP and Vista

PowerDVD

One of the most complete media players

Windows Media Player 10

Microsoft's multimedia player

iTunes Portable

Portable version of the player by Apple

IP-TV Player

Video player based on VLC to tune into TV channels

3D Video Player

All your videos in 3D

iTunes

Apple's multimedia content manager and online store