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.

CoSchedule - CoSchedule is the #1 marketing calendar that helps you stay organized and get sh*t done. Plan, produce, publish and promote your content.

Synonymful - Improve your vocabulary and communicate like a pro.

Embedly - Embedly helps publishers and consumers manage embed codes from websites and APIs.

Fluent - Fluent is a people-based marketing platform that uses real-time, one-to-one interaction to create custom audiences and serve personalized ads that drive performance at scale.

Rocketium - A DIY video creation platform. Make videos in minutes using preset themes and templates.