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.

Eaze - Uber for medical marijuana

Mondly - Learn 33 languages in 500 bite-size lessons and 14 conversational modules.

Marijuana 101 - Free course to become a better cannabis user in 10 days

Lingvist - Lingvist helps you take your foreign language skills to the next level with a broad selection of exercises and lessons.

Confident Cannabis - The stock exchange of weed