Helium - Helium lets you accept payments by credit card for anything you want to sell online.

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.

Product Hunt Shell - A geeky, web-based shell for browsing Product Hunt

Language Learning with Netflix - Use movies as study material for language learning

Screen Commander - Blank your screens at the click of your mouse.

Word Chain - Word Chain is an application related to words and forming the chains of letters.