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.

Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

Andy Chatbot - Learn and practice English with exercises, grammar and games

Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.

English For Tech - The first modern English textbook for people in tech.

Mailbird - Mailbird is the best email client for Windows 7, 8 and 10