CityCop - Outsmarting crime. Together.

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.

TaskBee - Task your ToDo list so you have time for the important stuff

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 .

Rooster - Local sharing community where neighbors share free resources

Clozemaster - Learn a language through mass exposure to useful vocabulary in context.