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.

Anima App - Design, get feedback, convert to code, publish, iterate.

Andy Chatbot - Learn and practice English with exercises, grammar and games

Toucan - Learn a new language without even trying

BoldVoice - Accent coaching app for non-native English speakers

Flalingo - Teaches English online