Mapbox - An open source mapping platform for custom designed maps. Our APIs and SDKs are the building blocks to integrate location into any mobile or web app.
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.
uMap - uMap let you create maps with OpenStreetMap layers in a minute and embed them in your site.
Babble - A more personalized social network
Google Maps - Find local businesses, view maps and get driving directions in Google Maps.
LanguageBeast.com - Study English synonyms and antonyms to enrich your vocabulary