Lyrics Training - A game where you fill in the lyrics of your favorite songs
Brainscape - Find, create, and study SMART FLASHCARDS on any device. DOUBLE your learning speed using the most effective study system on the planet. Keep all your content in sync across Brainscape's website and your Android devices.
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.
Lyricsgaps - Learn Languages Online - Exercises Listening - Fill in the gaps
Upmind - Client management and billing for service businesses.
Swipe to Study - Learn languages with YouTube videos