Lumerical - Lumerical is a simulation software suite by Ansys that is developed for manufacturing light instruments and glass.
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.
Coelux - Artificial skylight that you won't believe isn't real
Reji - Improve your vocabulary hassle-free 📚
3DOptix - 3DOptix is an optical simulation software that enables engineers and architects to built optically designed products for molding light for specific purposes.
Japanese Emoticons - The ultimate copy tool for Japanese emoticons