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.
PowerSchool - PowerSchool provides a K-12 education technology platform for operations, classroom, student growth, and family engagement.
LanguageBeast.com - Study English synonyms and antonyms to enrich your vocabulary
Clever - syncing between education applications for K-12 schools
Babble - A more personalized social network
Claroline - Claroline is a collaborative eLearning and eWorking platform.