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.

Square - Square helps millions of sellers run their business-from secure credit card processing to point of sale solutions. Get paid faster with Square. Sign up today!

Mondly - Learn 33 languages in 500 bite-size lessons and 14 conversational modules.

Loyverse - Loyverse free POS System for small stores, coffee shops, cafe. Easy to use point of sale, inventory management and customer loyalty program. Download app for Android or iOS.

Lingvist - Lingvist helps you take your foreign language skills to the next level with a broad selection of exercises and lessons.

ERPLY - ERPLY.com is a web based affordable point of sale software and inventory system.