Celestia

Travel around the Universe from your PC

Versaverter

Easily convert measurement units

Sky Charts

Hundreds of star charts in a single program

Stellarium

Interesting application that lets you see the universe on your computer

WinStars

Put a planetarium on your PC's desktop

Asynx Planetarium

The Universe from your computer

Virtual Moon Atlas

Complete and appealing virtual atlas of the Moon

ATCalc

Customizable scientific and graphic calculator

Khi3

Complete scientific calculator with plenty of options

SpeedCrunch

Mathematical calculations within everyone's grasp

Moffsoft FreeCalc

Useful calculator similar to that of Windows

OpalCalc

Multiline calculator that integrates natural language

Calculator

Carry out the fastest maths calculations

PowerToy Calc

A much more complete version of the Windows Calculator

OpenUniverse

Discover the Universe using your computer screen as a telescope

Asteroid Data Hunter

Become the best asteroid hunter

myTuner Radio

Listen to radio stations from all over the world

Spotify

Listen to music via streaming on your PC

ZaraRadio

Free tool to automate your radio broadcasts

SonicStage

High quality music manager with Sony's guarantee

TuneIn Radio

Radio from all over the world on Windows

YouTube Music Desktop

Unofficial application to enjoy YouTube Music on the PC

Deezer Music

Online music streaming service for PC

RadioBOSS

Convert your PC into a radio station

Freezer

Get free access to Deezer's catalog

Spotify Portable

The Spotify version that you can carry around with you

Google Play Music

Listen to all your music from your desktop

Shazam

Identify songs from your PC

Nuclear Music Player

Ad-free and track-free music player

Groove Music

Microsoft's answer to Spotify

MobileSheets

Music score reader for Windows 10