OK.ru (Odnoklassniki) is one of the most popular social networks in Russia. It has millions of users in Russia and abroad. It is a kind of Facebook, MySpace, Twitter, Google Talk, Live, and Live Messenger. The main advantage of the social network is that there is no need for registration.

To download videos, you just need to go to your profile, click on your screen and then on "Share" button. The function is completely free of charge.ru is not only a social network, but also a video downloader. You can download videos by links in your profile, or by their titles and tags.