YoutubeGet

Download videos from YouTube and convert them

Anime DL

Client for downloading anime

UltraGet Video Downloader

Download videos from YouTube and Google Video as fast as possible

Converter for YouTube by Flvto.com

App to download and convert videos from YouTube on your PC

youtube-dl

Download videos from YouTube to your hard drive

Minitube

Watch YouTube videos from your desktop

youtubeFisher

The easiest way to download videos from YouTube

save2pc

Download any YouTube video to your hard drive

Free YouTube Downloader Converter

Save YouTube videos on your PC

Hyper: Downloader for YouTube

Application that integrates YouTube into Windows

VidMasta

Search, view and download shows and films for free

YouTube Video Converter

Download and convert your favorite YouTube videos to any format

Movier

Download videos from YouTube in HD

Free YouTube to DVD Converter

Enjoy YouTube videos on a conventional DVD player

Youtube Grabber

Download videos from YouTube and other sites

VSO Downloader

Download your favorite videos from the Internet

Physion

2D virtual physics laboratory

Curved Spaces

Represent interconnected universes on your PC

Physics 101 SE

Learn physics and calculate anything whenever you want

QPeriodicTable

Discover all the secrets of the chemical elements

Algodoo

A fun way to learn physics

FluidSIM

Program to create exciting electro-pneumatic circuits

Model ChemLab

Simulate a chemistry lab on your PC

PhET

Carry out dozens of scientific experiments from your PC

Serial Cloner

Molecular biology application

EniG. Periodic Table of the Elements

Free periodic table of elements with many extra features

Biogenesis

Observe the evolutionary process of various organisms

ArgusLab

Application to view and develop molecules

ChemSketch

Tool to learn chemistry by drawing compound structures

SnapGene Viewer

Observe DNA sequences