Tinkersynth - Create and purchase unique generative art

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.

Ramsophone - A generative art/music machine. (Be sure to refresh!)

Lingvo TV - Learn languages while watching movies on Netflix.

Generative Art in Go - Learn the basics of algorithmic art with the Go language

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