Todoist - Todoist is a to-do list that helps you get organized, at work and in life.
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.
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Synonymful - Improve your vocabulary and communicate like a pro.
Zenkit - Zenkit is the home you always wanted for your ideas, your projects, your business.
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.