VideoTodo

Download videos from sites like YouTube, Megavideo or Google Video

Sky Charts

Hundreds of star charts in a single program

Stellarium

Interesting application that lets you see the universe on your computer

Celestia

Travel around the Universe from your PC

Asynx Planetarium

The Universe from your computer

Asteroid Data Hunter

Become the best asteroid hunter

SpeedCrunch

Mathematical calculations within everyone's grasp

OpenUniverse

Discover the Universe using your computer screen as a telescope

Khi3

Complete scientific calculator with plenty of options

Versaverter

Easily convert measurement units

Virtual Moon Atlas

Complete and appealing virtual atlas of the Moon

WinStars

Put a planetarium on your PC's desktop

Startrails

Obtain photos of the trail left behind by the stars

StarStaX

Create spectacular composite photos

Calculator

Carry out the fastest maths calculations

Moffsoft FreeCalc

Useful calculator similar to that of Windows

oCam

Screen recorder and capturer

ShowMore

Capture video from your screen or from a webcam

ScreenMo

Record your iPhone or iPad's screen

Debut Video Capture

Powerful app to capture video from a webcam or any other device

Free Screen Video Recorder

Record a video of what happens on your screen

TinyTake

Capture images and videos on your PC

ApowerREC

A very complete and easy-to-use screen recorder

AMCap

Capture video from any source as easy as possible

OBS Studio

Tool to capture video for streams

DU Recorder

Record your screen and broadcast live

SMRecorder

Capture your desktop in a simple and easy manner

Screencast-O-Matic

Simple program to record on video whatever happens on your computer screen

CamStudio

Record on video everything that happens on your screen

ZdSoft Screen Recorder

Versatile screen recording tool

VidShot Capturer

Record your PC's activity on video