Messengerlytics - Analyse your facebook messages
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.
Sulli - The online learning tool for students’ emotional wellbeing.
Reji - Improve your vocabulary hassle-free 📚
Facebook Messenger Analysis - A small python command-line tool for creating and analyzing facebook messenger history.
Japanese Emoticons - The ultimate copy tool for Japanese emoticons