Ardesia - Ardesia is an usefull software for use your desktop as a Sketchpad.
Duolingo - Duolingo is a free language learning app for iOS, Windows and Android devices. The app makes learning a new language fun by breaking learning into small lessons where you can earn points and move up through the levels. Read more about Duolingo.
gInk - An on-screen on-screen annotation software for Windows.
Memrise - Learn a new language with games, humorous chatbots and over 30,000 native speaker videos.
Epic Pen - A windows tool for drawing over your desktop and applications
Busuu - Join the global language learning community, take language courses to practice reading, writing, listening and speaking and learn a new language. Learn English with busuu's .