Previagram - Preview your ideal photo grid and create mosaics for free
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.
Smarter Top Nine Tool - Instagram Top Nine re-invented - pick your best & rearrange!
Reji - Improve your vocabulary hassle-free 📚
LikelyAI - Predict the popularity of your Instagram photos.
Japanese Emoticons - The ultimate copy tool for Japanese emoticons