StarStaX

Create spectacular composite photos

VideoTodo

Download videos from sites like YouTube, Megavideo or Google Video

Go! YouTube Snagger

An easy way to download videos from YouTube

Celestia

Travel around the Universe from your PC

Stellarium

Interesting application that lets you see the universe on your computer

Startrails

Obtain photos of the trail left behind by the stars

Sky Charts

Hundreds of star charts in a single program

WinStars

Put a planetarium on your PC's desktop

Virtual Moon Atlas

Complete and appealing virtual atlas of the Moon

OpenUniverse

Discover the Universe using your computer screen as a telescope

Asteroid Data Hunter

Become the best asteroid hunter

Cool YouTube Downloader

Download all the videos that you want from the Internet

Axara YouTube Tools

Download and convert your favorite videos on the Internet

StreamTransport

Download videos from any online streaming service

Asynx Planetarium

The Universe from your computer

Pymaxe

Search and download music and videos

OpenProj

The perfect substitute for Microsoft Project

ProjectLibre

A decent free alternative to Microsoft Project

join.me

Hold work meetings wherever you are

Project

Create and manage projects and administer your workgroup

Slife

Keep track of how you spend your time on the computer

JIRA

Manage and organise the work of your project team

Focus Booster

Simple way to improve your productivity

Bitrix24

Create an intranet for your work team

Microsoft Teams

Microsoft's business communications tool

Slack

A space for perfect work communications

Kosmik

Creative visual organization tool

PriMus-DCF

Software to share catalogs, measurements and budgets

Celtx

Excellent tool for multimedia projects

Mendeley Desktop

Surprising document manager ideal for scientific and bibliographical projects

Memo Book

Manage all your documents